SELECT 
  SQL_CALC_FOUND_ROWS products.product_id, 
  descr1.product as product, 
  companies.company as company_name, 
  MIN(
    IF(
      prices.percentage_discount = 0, 
      prices.price, 
      prices.price - (
        prices.price * prices.percentage_discount
      )/ 100
    )
  ) as price, 
  products.product_type, 
  products.parent_product_id, 
  products.rf_stop_update_price, 
  products.rf_stop_update_amount, 
  products.rf_stop_update_status 
FROM 
  cscart_products as products 
  LEFT JOIN cscart_product_descriptions as descr1 ON descr1.product_id = products.product_id 
  AND descr1.lang_code = 'en' 
  LEFT JOIN cscart_product_prices as prices ON prices.product_id = products.product_id 
  AND prices.lower_limit = 1 
  LEFT JOIN cscart_companies AS companies ON companies.company_id = products.company_id 
  INNER JOIN cscart_products_categories as products_categories ON products_categories.product_id = products.product_id 
  INNER JOIN cscart_categories ON cscart_categories.category_id = products_categories.category_id 
  AND (
    cscart_categories.usergroup_ids = '' 
    OR FIND_IN_SET(
      0, cscart_categories.usergroup_ids
    ) 
    OR FIND_IN_SET(
      1, cscart_categories.usergroup_ids
    )
  ) 
  AND cscart_categories.status IN ('A', 'H') 
  AND cscart_categories.storefront_id IN (0, 1) 
WHERE 
  1 
  AND cscart_categories.category_id IN (7254) 
  AND companies.status IN ('A') 
  AND products.company_id IN (2, 8, 9, 10, 0) 
  AND (
    products.usergroup_ids = '' 
    OR FIND_IN_SET(0, products.usergroup_ids) 
    OR FIND_IN_SET(1, products.usergroup_ids)
  ) 
  AND products.status IN ('A') 
  AND prices.usergroup_id IN (0, 0, 1) 
  AND products.parent_product_id = 0 
  AND products.product_type != 'D' 
GROUP BY 
  products.product_id 
ORDER BY 
  price desc, 
  products.product_id ASC 
LIMIT 
  96, 96

Query time 0.01715

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "731.64"
    },
    "ordering_operation": {
      "using_filesort": true,
      "grouping_operation": {
        "using_temporary_table": true,
        "using_filesort": false,
        "nested_loop": [
          {
            "table": {
              "table_name": "cscart_categories",
              "access_type": "const",
              "possible_keys": [
                "PRIMARY",
                "c_status",
                "p_category_id"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "category_id"
              ],
              "key_length": "3",
              "ref": [
                "const"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 1,
              "filtered": "100.00",
              "cost_info": {
                "read_cost": "0.00",
                "eval_cost": "0.10",
                "prefix_cost": "0.00",
                "data_read_per_join": "2K"
              },
              "used_columns": [
                "category_id",
                "usergroup_ids",
                "status",
                "storefront_id"
              ]
            }
          },
          {
            "table": {
              "table_name": "companies",
              "access_type": "range",
              "possible_keys": [
                "PRIMARY"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "company_id"
              ],
              "key_length": "4",
              "rows_examined_per_scan": 5,
              "rows_produced_per_join": 1,
              "filtered": "33.33",
              "cost_info": {
                "read_cost": "2.10",
                "eval_cost": "0.17",
                "prefix_cost": "2.26",
                "data_read_per_join": "10K"
              },
              "used_columns": [
                "company_id",
                "status",
                "company"
              ],
              "attached_condition": "((`nuie_scalesta_net`.`companies`.`status` = 'A') and (`nuie_scalesta_net`.`companies`.`company_id` in (2,8,9,10,0)))"
            }
          },
          {
            "table": {
              "table_name": "products_categories",
              "access_type": "ref",
              "possible_keys": [
                "PRIMARY",
                "pt"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "category_id"
              ],
              "key_length": "3",
              "ref": [
                "const"
              ],
              "rows_examined_per_scan": 954,
              "rows_produced_per_join": 1590,
              "filtered": "100.00",
              "using_index": true,
              "cost_info": {
                "read_cost": "1.00",
                "eval_cost": "159.00",
                "prefix_cost": "162.26",
                "data_read_per_join": "24K"
              },
              "used_columns": [
                "product_id",
                "category_id"
              ]
            }
          },
          {
            "table": {
              "table_name": "products",
              "access_type": "eq_ref",
              "possible_keys": [
                "PRIMARY",
                "age_verification",
                "status",
                "idx_parent_product_id",
                "my_supplier_id",
                "supplier_access_time",
                "products_rf_product_code_index",
                "products_rf_manufacturer_code_index"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "product_id"
              ],
              "key_length": "3",
              "ref": [
                "nuie_scalesta_net.products_categories.product_id"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 79,
              "filtered": "5.00",
              "cost_info": {
                "read_cost": "238.50",
                "eval_cost": "7.95",
                "prefix_cost": "559.76",
                "data_read_per_join": "381K"
              },
              "used_columns": [
                "product_id",
                "product_type",
                "status",
                "company_id",
                "usergroup_ids",
                "parent_product_id",
                "rf_stop_update_price",
                "rf_stop_update_amount",
                "rf_stop_update_status"
              ],
              "attached_condition": "((`nuie_scalesta_net`.`products`.`company_id` = `nuie_scalesta_net`.`companies`.`company_id`) and (`nuie_scalesta_net`.`products`.`parent_product_id` = 0) and ((`nuie_scalesta_net`.`products`.`usergroup_ids` = '') or (0 <> find_in_set(0,`nuie_scalesta_net`.`products`.`usergroup_ids`)) or (0 <> find_in_set(1,`nuie_scalesta_net`.`products`.`usergroup_ids`))) and (`nuie_scalesta_net`.`products`.`status` = 'A') and (`nuie_scalesta_net`.`products`.`product_type` <> 'D'))"
            }
          },
          {
            "table": {
              "table_name": "descr1",
              "access_type": "eq_ref",
              "possible_keys": [
                "PRIMARY",
                "product_id"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "product_id",
                "lang_code"
              ],
              "key_length": "9",
              "ref": [
                "nuie_scalesta_net.products_categories.product_id",
                "const"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 79,
              "filtered": "100.00",
              "cost_info": {
                "read_cost": "11.93",
                "eval_cost": "7.95",
                "prefix_cost": "579.64",
                "data_read_per_join": "303K"
              },
              "used_columns": [
                "product_id",
                "lang_code",
                "product"
              ]
            }
          },
          {
            "table": {
              "table_name": "prices",
              "access_type": "ref",
              "possible_keys": [
                "usergroup",
                "product_id",
                "lower_limit",
                "usergroup_id"
              ],
              "key": "usergroup",
              "used_key_parts": [
                "product_id"
              ],
              "key_length": "3",
              "ref": [
                "nuie_scalesta_net.products_categories.product_id"
              ],
              "rows_examined_per_scan": 16,
              "rows_produced_per_join": 130,
              "filtered": "9.92",
              "cost_info": {
                "read_cost": "20.24",
                "eval_cost": "13.08",
                "prefix_cost": "731.64",
                "data_read_per_join": "3K"
              },
              "used_columns": [
                "product_id",
                "price",
                "percentage_discount",
                "lower_limit",
                "usergroup_id"
              ],
              "attached_condition": "((`nuie_scalesta_net`.`prices`.`lower_limit` = 1) and (`nuie_scalesta_net`.`prices`.`usergroup_id` in (0,0,1)))"
            }
          }
        ]
      }
    }
  }
}

Result

product_id product company_name price product_type parent_product_id rf_stop_update_price rf_stop_update_amount rf_stop_update_status
91604 Casini Round Scalloped Freestanding Bath 1680mm x 750mm - No Waste Roxor 3530.00000000 P 0 N N N
91605 Casini Round Scalloped Freestanding Bath 1680mm x 750mm - No Waste Roxor 3530.00000000 P 0 N N N
91606 Casini Round Scalloped Freestanding Bath 1680mm x 750mm - No Waste Roxor 3530.00000000 P 0 N N N
91607 Casini Round Scalloped Freestanding Bath 1680mm x 750mm - No Waste Roxor 3530.00000000 P 0 N N N
91608 Casini Round Scalloped Freestanding Bath 1680mm x 750mm - No Waste Roxor 3530.00000000 P 0 N N N
91609 Casini Round Scalloped Freestanding Bath 1680mm x 750mm - No Waste Roxor 3530.00000000 P 0 N N N
91625 Wivenhoe Freestanding Bath - 1800mm - Matt White Roxor 3530.00000000 P 0 N N N
91551 Tasse Rimless Freestanding Bath 1770mm x 880mm - No Waste Roxor 3479.17000000 P 0 N N N
91552 Tasse Rimless Freestanding Bath 1770mm x 880mm - No Waste Roxor 3479.17000000 P 0 N N N
91553 Tasse Rimless Freestanding Bath 1770mm x 880mm - No Waste Roxor 3479.17000000 P 0 N N N
91554 Tasse Rimless Freestanding Bath 1770mm x 880mm - No Waste Roxor 3479.17000000 P 0 N N N
91555 Tasse Rimless Freestanding Bath 1770mm x 880mm - No Waste Roxor 3479.17000000 P 0 N N N
91556 Tasse Rimless Freestanding Bath 1770mm x 880mm - No Waste Roxor 3479.17000000 P 0 N N N
91557 Tasse Rimless Freestanding Bath 1770mm x 880mm - No Waste Roxor 3479.17000000 P 0 N N N
91558 Tasse Rimless Freestanding Bath 1770mm x 880mm - No Waste Roxor 3479.17000000 P 0 N N N
91559 Tasse Rimless Freestanding Bath 1770mm x 880mm - No Waste Roxor 3479.17000000 P 0 N N N
91560 Tasse Rimless Freestanding Bath 1770mm x 880mm - No Waste Roxor 3479.17000000 P 0 N N N
91597 Bampton Oval Freestanding Bath with Plinth 1555mm x 740mm - No Waste Roxor 3332.50000000 P 0 N N N
91623 Verdicio Freestanding Bath 1680mm - Matt White Roxor 3332.50000000 P 0 N N N
91561 Delicata Minimalist Freestanding Angled Bath 1520mm x 715mm - No Waste Roxor 3227.50000000 P 0 N N N
91562 Delicata Minimalist Freestanding Angled Bath 1520mm x 715mm - No Waste Roxor 3227.50000000 P 0 N N N
91563 Delicata Minimalist Freestanding Angled Bath 1520mm x 715mm - No Waste Roxor 3227.50000000 P 0 N N N
91564 Delicata Minimalist Freestanding Angled Bath 1520mm x 715mm - No Waste Roxor 3227.50000000 P 0 N N N
91565 Delicata Minimalist Freestanding Angled Bath 1520mm x 715mm - No Waste Roxor 3227.50000000 P 0 N N N
91566 Delicata Minimalist Freestanding Angled Bath 1520mm x 715mm - No Waste Roxor 3227.50000000 P 0 N N N
91567 Delicata Minimalist Freestanding Angled Bath 1520mm x 715mm - No Waste Roxor 3227.50000000 P 0 N N N
91568 Delicata Minimalist Freestanding Angled Bath 1520mm x 715mm - No Waste Roxor 3227.50000000 P 0 N N N
91569 Delicata Minimalist Freestanding Angled Bath 1520mm x 715mm - No Waste Roxor 3227.50000000 P 0 N N N
91570 Delicata Minimalist Freestanding Angled Bath 1520mm x 715mm - No Waste Roxor 3227.50000000 P 0 N N N
91628 Gio Minimalist Egg Shaped Freestanding Bath 1645mm x 935mm - No Waste Roxor 3227.50000000 P 0 N N N
91629 Gio Minimalist Egg Shaped Freestanding Bath 1645mm x 935mm - No Waste Roxor 3227.50000000 P 0 N N N
91630 Gio Minimalist Egg Shaped Freestanding Bath 1645mm x 935mm - No Waste Roxor 3227.50000000 P 0 N N N
91631 Gio Minimalist Egg Shaped Freestanding Bath 1645mm x 935mm - No Waste Roxor 3227.50000000 P 0 N N N
91632 Gio Minimalist Egg Shaped Freestanding Bath 1645mm x 935mm - No Waste Roxor 3227.50000000 P 0 N N N
91633 Gio Minimalist Egg Shaped Freestanding Bath 1645mm x 935mm - No Waste Roxor 3227.50000000 P 0 N N N
91634 Gio Minimalist Egg Shaped Freestanding Bath 1645mm x 935mm - No Waste Roxor 3227.50000000 P 0 N N N
91635 Gio Minimalist Egg Shaped Freestanding Bath 1645mm x 935mm - No Waste Roxor 3227.50000000 P 0 N N N
91636 Gio Minimalist Egg Shaped Freestanding Bath 1645mm x 935mm - No Waste Roxor 3227.50000000 P 0 N N N
91637 Gio Minimalist Egg Shaped Freestanding Bath 1645mm x 935mm - No Waste Roxor 3227.50000000 P 0 N N N
91638 Vive Minimalist Square Rimless Freestanding Bath 1610mm x 750mm - No Waste Roxor 3227.50000000 P 0 N N N
91639 Vive Minimalist Square Rimless Freestanding Bath 1610mm x 750mm - No Waste Roxor 3227.50000000 P 0 N N N
91640 Vive Minimalist Square Rimless Freestanding Bath 1610mm x 750mm - No Waste Roxor 3227.50000000 P 0 N N N
91641 Vive Minimalist Square Rimless Freestanding Bath 1610mm x 750mm - No Waste Roxor 3227.50000000 P 0 N N N
91642 Vive Minimalist Square Rimless Freestanding Bath 1610mm x 750mm - No Waste Roxor 3227.50000000 P 0 N N N
91643 Vive Minimalist Square Rimless Freestanding Bath 1610mm x 750mm - No Waste Roxor 3227.50000000 P 0 N N N
91644 Vive Minimalist Square Rimless Freestanding Bath 1610mm x 750mm - No Waste Roxor 3227.50000000 P 0 N N N
91645 Vive Minimalist Square Rimless Freestanding Bath 1610mm x 750mm - No Waste Roxor 3227.50000000 P 0 N N N
91646 Vive Minimalist Square Rimless Freestanding Bath 1610mm x 750mm - No Waste Roxor 3227.50000000 P 0 N N N
91647 Vive Minimalist Square Rimless Freestanding Bath 1610mm x 750mm - No Waste Roxor 3227.50000000 P 0 N N N
91688 Omnia Oval Rimmed Freestanding Bath 1615mm x 760mm - No Waste Roxor 3000.83000000 P 0 N N N
91689 Omnia Oval Rimmed Freestanding Bath 1615mm x 760mm - No Waste Roxor 3000.83000000 P 0 N N N
91690 Omnia Oval Rimmed Freestanding Bath 1615mm x 760mm - No Waste Roxor 3000.83000000 P 0 N N N
91691 Omnia Oval Rimmed Freestanding Bath 1615mm x 760mm - No Waste Roxor 3000.83000000 P 0 N N N
91692 Omnia Oval Rimmed Freestanding Bath 1615mm x 760mm - No Waste Roxor 3000.83000000 P 0 N N N
91693 Omnia Freestaning Bath Bath - 1600mm - No Waste Roxor 3000.83000000 P 0 N N N
91694 Omnia Oval Rimmed Freestanding Bath 1615mm x 760mm - No Waste Roxor 3000.83000000 P 0 N N N
91695 Omnia Oval Rimmed Freestanding Bath 1615mm x 760mm - No Waste Roxor 3000.83000000 P 0 N N N
91696 Omnia Oval Rimmed Freestanding Bath 1615mm x 760mm - No Waste Roxor 3000.83000000 P 0 N N N
91697 Omnia Oval Rimmed Freestanding Bath 1615mm x 760mm - No Waste Roxor 3000.83000000 P 0 N N N
91678 Crea Minimalist Round Freestanding Bath with Overflow 1665mm x 780mm - No Waste Roxor 2965.00000000 P 0 N N N
91679 Crea Minimalist Round Freestanding Bath with Overflow 1665mm x 780mm - No Waste Roxor 2965.00000000 P 0 N N N
91680 Crea Minimalist Round Freestanding Bath with Overflow 1665mm x 780mm - No Waste Roxor 2965.00000000 P 0 N N N
91681 Crea Minimalist Round Freestanding Bath with Overflow 1665mm x 780mm - No Waste Roxor 2965.00000000 P 0 N N N
91682 Crea Minimalist Round Freestanding Bath with Overflow 1665mm x 780mm - No Waste Roxor 2965.00000000 P 0 N N N
91683 Crea Minimalist Round Freestanding Bath with Overflow 1665mm x 780mm - No Waste Roxor 2965.00000000 P 0 N N N
91684 Crea Minimalist Round Freestanding Bath with Overflow 1665mm x 780mm - No Waste Roxor 2965.00000000 P 0 N N N
91685 Crea Minimalist Round Freestanding Bath with Overflow 1665mm x 780mm - No Waste Roxor 2965.00000000 P 0 N N N
91686 Crea Minimalist Round Freestanding Bath with Overflow 1665mm x 780mm - No Waste Roxor 2965.00000000 P 0 N N N
91687 Crea Minimalist Round Freestanding Bath with Overflow 1665mm x 780mm - No Waste Roxor 2965.00000000 P 0 N N N
91590 Bampton Oval Freestanding Bath with Plinth 1555mm x 740mm - No Waste Roxor 2925.00000000 P 0 N N N
91591 Bampton Oval Freestanding Bath with Plinth 1555mm x 740mm - No Waste Roxor 2925.00000000 P 0 N N N
91592 Bampton Oval Freestanding Bath with Plinth 1555mm x 740mm - No Waste Roxor 2925.00000000 P 0 N N N
91593 Bampton Oval Freestanding Bath with Plinth 1555mm x 740mm - No Waste Roxor 2925.00000000 P 0 N N N
91594 Bampton Oval Freestanding Bath with Plinth 1555mm x 740mm - No Waste Roxor 2925.00000000 P 0 N N N
91595 Bampton Oval Freestanding Bath with Plinth 1555mm x 740mm - No Waste Roxor 2925.00000000 P 0 N N N
91596 Bampton Oval Freestanding Bath with Plinth 1555mm x 740mm - No Waste Roxor 2925.00000000 P 0 N N N
91598 Bampton Oval Freestanding Bath with Plinth 1555mm x 740mm - No Waste Roxor 2925.00000000 P 0 N N N
91599 Bampton Oval Freestanding Bath with Plinth 1555mm x 740mm - No Waste Roxor 2925.00000000 P 0 N N N
91600 Bampton Oval Freestanding Bath with Plinth 1555mm x 740mm - No Waste Roxor 2925.00000000 P 0 N N N
91649 Esseta Compact Oval Freestanding Bath 1510mm x 760mm - No Waste Roxor 2731.67000000 P 0 N N N
91650 Esseta Compact Oval Freestanding Bath 1510mm x 760mm - No Waste Roxor 2731.67000000 P 0 N N N
91651 Esseta Compact Oval Freestanding Bath 1510mm x 760mm - No Waste Roxor 2731.67000000 P 0 N N N
91652 Esseta Compact Oval Freestanding Bath 1510mm x 760mm - No Waste Roxor 2731.67000000 P 0 N N N
91653 Esseta Compact Oval Freestanding Bath 1510mm x 760mm - No Waste Roxor 2731.67000000 P 0 N N N
91654 Esseta Compact Oval Freestanding Bath 1510mm x 760mm - No Waste Roxor 2731.67000000 P 0 N N N
91655 Esseta Compact Oval Freestanding Bath 1510mm x 760mm - No Waste Roxor 2731.67000000 P 0 N N N
91656 Esseta Compact Oval Freestanding Bath 1510mm x 760mm - No Waste Roxor 2731.67000000 P 0 N N N
91657 Esseta Compact Oval Freestanding Bath 1510mm x 760mm - No Waste Roxor 2731.67000000 P 0 N N N
91659 Sorpressa Compact Round Freestanding Bath 1510mm x 760mm - No Waste Roxor 2731.67000000 P 0 N N N
91660 Sorpressa Compact Round Freestanding Bath 1510mm x 760mm - No Waste Roxor 2731.67000000 P 0 N N N
91661 Sorpressa Compact Round Freestanding Bath 1510mm x 760mm - No Waste Roxor 2731.67000000 P 0 N N N
91662 Sorpressa Compact Round Freestanding Bath 1510mm x 760mm - No Waste Roxor 2731.67000000 P 0 N N N
91663 Sorpressa Compact Round Freestanding Bath 1510mm x 760mm - No Waste Roxor 2731.67000000 P 0 N N N
91664 Sorpressa Compact Round Freestanding Bath 1510mm x 760mm - No Waste Roxor 2731.67000000 P 0 N N N
91665 Sorpressa Compact Round Freestanding Bath 1510mm x 760mm - No Waste Roxor 2731.67000000 P 0 N N N
91666 Sorpressa Compact Round Freestanding Bath 1510mm x 760mm - No Waste Roxor 2731.67000000 P 0 N N N