Sandbox

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 (
    7143, 7144, 7145, 7146, 7147, 7189, 7190, 
    7153, 7154, 7155, 7288, 7289, 7290, 
    7305, 7300, 7301, 7302, 7303, 7304, 
    7306, 7324, 7325, 7326
  ) 
  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 
  768, 96

Query time 0.03892

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "95.53"
    },
    "ordering_operation": {
      "using_filesort": true,
      "grouping_operation": {
        "using_temporary_table": true,
        "using_filesort": false,
        "nested_loop": [
          {
            "table": {
              "table_name": "cscart_categories",
              "access_type": "range",
              "possible_keys": [
                "PRIMARY",
                "c_status",
                "p_category_id"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "category_id"
              ],
              "key_length": "3",
              "rows_examined_per_scan": 23,
              "rows_produced_per_join": 0,
              "filtered": "4.00",
              "cost_info": {
                "read_cost": "10.29",
                "eval_cost": "0.09",
                "prefix_cost": "10.38",
                "data_read_per_join": "2K"
              },
              "used_columns": [
                "category_id",
                "usergroup_ids",
                "status",
                "storefront_id"
              ],
              "attached_condition": "((`nuie_scalesta_net`.`cscart_categories`.`category_id` in (7143,7144,7145,7146,7147,7189,7190,7153,7154,7155,7288,7289,7290,7305,7300,7301,7302,7303,7304,7306,7324,7325,7326)) and ((`nuie_scalesta_net`.`cscart_categories`.`usergroup_ids` = '') or (0 <> find_in_set(0,`nuie_scalesta_net`.`cscart_categories`.`usergroup_ids`)) or (0 <> find_in_set(1,`nuie_scalesta_net`.`cscart_categories`.`usergroup_ids`))) and (`nuie_scalesta_net`.`cscart_categories`.`status` in ('A','H')) and (`nuie_scalesta_net`.`cscart_categories`.`storefront_id` in (0,1)))"
            }
          },
          {
            "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",
              "using_join_buffer": "hash join",
              "cost_info": {
                "read_cost": "1.93",
                "eval_cost": "0.15",
                "prefix_cost": "12.46",
                "data_read_per_join": "9K"
              },
              "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": [
                "nuie_scalesta_net.cscart_categories.category_id"
              ],
              "rows_examined_per_scan": 117,
              "rows_produced_per_join": 180,
              "filtered": "100.00",
              "using_index": true,
              "cost_info": {
                "read_cost": "0.45",
                "eval_cost": "18.04",
                "prefix_cost": "30.95",
                "data_read_per_join": "2K"
              },
              "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": 9,
              "filtered": "5.00",
              "cost_info": {
                "read_cost": "27.06",
                "eval_cost": "0.90",
                "prefix_cost": "76.04",
                "data_read_per_join": "43K"
              },
              "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": 9,
              "filtered": "100.00",
              "cost_info": {
                "read_cost": "1.35",
                "eval_cost": "0.90",
                "prefix_cost": "78.29",
                "data_read_per_join": "34K"
              },
              "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": 14,
              "filtered": "9.92",
              "cost_info": {
                "read_cost": "2.30",
                "eval_cost": "1.48",
                "prefix_cost": "95.54",
                "data_read_per_join": "356"
              },
              "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	product_type	rf_stop_update_price	rf_stop_update_amount	rf_stop_update_status
97829	BAYS302-M	Roxor	P	N	N	N
97830	BAYS303-M	Roxor	P	N	N	N
97831	BAYS351-M	Roxor	P	N	N	N
97832	BAYS352-M	Roxor	P	N	N	N
97834	BAYS402-M	Roxor	P	N	N	N
97835	BAYS403-M	Roxor	P	N	N	N
97836	BAYS404-M	Roxor	P	N	N	N
97837	BAYS405-M	Roxor	P	N	N	N
97838	BAYS411-M	Roxor	P	N	N	N
97839	BAYS412-M	Roxor	P	N	N	N
97840	BAYS811-M	Roxor	P	N	N	N
97988	BINMV10-M	Roxor	P	N	N	N
97989	BINMV12-M	Roxor	P	N	N	N
97990	BINTR02-M	Roxor	P	N	N	N
97991	BINTR03-M	Roxor	P	N	N	N
97992	BINTW01-M	Roxor	P	N	N	N
97993	BINTW02-M	Roxor	P	N	N	N
98030	BTSVT002-M	Roxor	P	N	N	N
98031	BTSVT003-M	Roxor	P	N	N	N
98032	BTSVT004-M	Roxor	P	N	N	N
98033	BTSVT005-M	Roxor	P	N	N	N
98034	BTSVT101-M	Roxor	P	N	N	N
98035	BTSVT102-M	Roxor	P	N	N	N
98039	BW002-M	Roxor	P	N	N	N
98138	CHE375BC-M	Roxor	P	N	N	N
98139	CHE375BCO-M	Roxor	P	N	N	N
98140	CHE375BG-M	Roxor	P	N	N	N
98141	CHE375BN-M	Roxor	P	N	N	N
98142	CHE375CO-M	Roxor	P	N	N	N
98143	CHE375G-M	Roxor	P	N	N	N
98144	CHE375N-M	Roxor	P	N	N	N
98157	CLL3023-M	Roxor	P	N	N	N
98158	CLL3207-M	Roxor	P	N	N	N
98159	CLL3210-M	Roxor	P	N	N	N
98160	CLL3211-M	Roxor	P	N	N	N
98161	CLL4023-M	Roxor	P	N	N	N
98162	CLL4207-M	Roxor	P	N	N	N
98163	CLL4210-M	Roxor	P	N	N	N
98164	CLL4211-M	Roxor	P	N	N	N
98165	CLL8023-M	Roxor	P	N	N	N
98166	CLL8207-M	Roxor	P	N	N	N
98167	CLL8210-M	Roxor	P	N	N	N
98168	CLL8211-M	Roxor	P	N	N	N
98224	CPB1310-M	Roxor	P	N	N	N
98225	CPB3310-M	Roxor	P	N	N	N
98226	CPB4310-M	Roxor	P	N	N	N
98227	CPB7310-M	Roxor	P	N	N	N
98228	CPB8310-M	Roxor	P	N	N	N
98234	CSA020-M	Roxor	P	N	N	N
98235	CSA020BC-M	Roxor	P	N	N	N
98236	CSA020BCO-M	Roxor	P	N	N	N
98237	CSA020BG-M	Roxor	P	N	N	N
98238	CSA020BN-M	Roxor	P	N	N	N
98239	CSA020CO-M	Roxor	P	N	N	N
98240	CSA020G-M	Roxor	P	N	N	N
98241	CSA020N-M	Roxor	P	N	N	N
98242	CSA025-M	Roxor	P	N	N	N
98243	CSA025BC-M	Roxor	P	N	N	N
98244	CSA025BCO-M	Roxor	P	N	N	N
98245	CSA025BG-M	Roxor	P	N	N	N
98246	CSA025BN-M	Roxor	P	N	N	N
98247	CSA025CO-M	Roxor	P	N	N	N
98248	CSA025G-M	Roxor	P	N	N	N
98249	CSA025N-M	Roxor	P	N	N	N
98250	CSA030-M	Roxor	P	N	N	N
98251	CSA030BC-M	Roxor	P	N	N	N
98252	CSA030BCO-M	Roxor	P	N	N	N
98253	CSA030BG-M	Roxor	P	N	N	N
98254	CSA030BN-M	Roxor	P	N	N	N
98255	CSA030CO-M	Roxor	P	N	N	N
98256	CSA030G-M	Roxor	P	N	N	N
98257	CSA030N-M	Roxor	P	N	N	N
98258	CSB105-M	Roxor	P	N	N	N
98259	CSB105BC-M	Roxor	P	N	N	N
98260	CSB105BCO-M	Roxor	P	N	N	N
98261	CSB105BG-M	Roxor	P	N	N	N
98262	CSB105BN-M	Roxor	P	N	N	N
98263	CSB105CO-M	Roxor	P	N	N	N
98264	CSB105G-M	Roxor	P	N	N	N
98265	CSB105N-M	Roxor	P	N	N	N
98266	CSB120-M	Roxor	P	N	N	N
98267	CSB120BC-M	Roxor	P	N	N	N
98268	CSB120BCO-M	Roxor	P	N	N	N
98269	CSB120BG-M	Roxor	P	N	N	N
98270	CSB120BN-M	Roxor	P	N	N	N
98271	CSB120CO-M	Roxor	P	N	N	N
98272	CSB120G-M	Roxor	P	N	N	N
98273	CSB120N-M	Roxor	P	N	N	N
98274	CSC205-M	Roxor	P	N	N	N
98275	CSC205BC-M	Roxor	P	N	N	N
98276	CSC205BCO-M	Roxor	P	N	N	N
98277	CSC205BG-M	Roxor	P	N	N	N
98278	CSC205BN-M	Roxor	P	N	N	N
98279	CSC205CO-M	Roxor	P	N	N	N
98280	CSC205G-M	Roxor	P	N	N	N
98281	CSC205N-M	Roxor	P	N	N	N