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 (7300, 7301, 7302, 7303, 7304, 7306) 
  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 
  192, 96

Query time 0.01039

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "24.93"
    },
    "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": 6,
              "rows_produced_per_join": 0,
              "filtered": "4.00",
              "cost_info": {
                "read_cost": "2.69",
                "eval_cost": "0.02",
                "prefix_cost": "2.71",
                "data_read_per_join": "641"
              },
              "used_columns": [
                "category_id",
                "usergroup_ids",
                "status",
                "storefront_id"
              ],
              "attached_condition": "((`nuie_scalesta_net`.`cscart_categories`.`category_id` in (7300,7301,7302,7303,7304,7306)) 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": 0,
              "filtered": "33.33",
              "using_join_buffer": "hash join",
              "cost_info": {
                "read_cost": "0.50",
                "eval_cost": "0.04",
                "prefix_cost": "3.26",
                "data_read_per_join": "2K"
              },
              "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": 47,
              "filtered": "100.00",
              "using_index": true,
              "cost_info": {
                "read_cost": "0.12",
                "eval_cost": "4.71",
                "prefix_cost": "8.08",
                "data_read_per_join": "752"
              },
              "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": 2,
              "filtered": "5.00",
              "cost_info": {
                "read_cost": "7.06",
                "eval_cost": "0.24",
                "prefix_cost": "19.84",
                "data_read_per_join": "11K"
              },
              "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": 2,
              "filtered": "100.00",
              "cost_info": {
                "read_cost": "0.35",
                "eval_cost": "0.24",
                "prefix_cost": "20.43",
                "data_read_per_join": "8K"
              },
              "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": 3,
              "filtered": "9.92",
              "cost_info": {
                "read_cost": "0.60",
                "eval_cost": "0.39",
                "prefix_cost": "24.93",
                "data_read_per_join": "92"
              },
              "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
96762	A7082-P	Roxor	P	N	N	N
96763	A7088-P	Roxor	P	N	N	N
96764	A7167-P	Roxor	P	N	N	N
96765	A7263-P	Roxor	P	N	N	N
96766	A7264-P	Roxor	P	N	N	N
96771	A8082-P	Roxor	P	N	N	N
96772	A8088-P	Roxor	P	N	N	N
96775	A8167-P	Roxor	P	N	N	N
96776	A8263-P	Roxor	P	N	N	N
96777	A8264-P	Roxor	P	N	N	N
96985	ARM01-P	Roxor	P	N	N	N
96986	ARM03-P	Roxor	P	N	N	N
96987	ARM06-P	Roxor	P	N	N	N
96988	ARM07-P	Roxor	P	N	N	N
96989	ARM12-P	Roxor	P	N	N	N
96990	ARM13-P	Roxor	P	N	N	N
96991	ARM15-P	Roxor	P	N	N	N
96992	ARM1501-P	Roxor	P	N	N	N
96993	ARM1513-P	Roxor	P	N	N	N
96994	ARM1515-P	Roxor	P	N	N	N
96995	ARM1516-P	Roxor	P	N	N	N
96996	ARM16-P	Roxor	P	N	N	N
96997	ARM19-P	Roxor	P	N	N	N
96999	ARM401-P	Roxor	P	N	N	N
97000	ARM413-P	Roxor	P	N	N	N
97001	ARM415-P	Roxor	P	N	N	N
97002	ARM416-P	Roxor	P	N	N	N
97003	ARM701-P	Roxor	P	N	N	N
97004	ARM713-P	Roxor	P	N	N	N
97005	ARM715-P	Roxor	P	N	N	N
97006	ARM716-P	Roxor	P	N	N	N
97007	ARM801-P	Roxor	P	N	N	N
97008	ARM813-P	Roxor	P	N	N	N
97009	ARM815-P	Roxor	P	N	N	N
97010	ARM816-P	Roxor	P	N	N	N
97820	BAYS203-M	Roxor	P	N	N	N
97821	BAYS204-M	Roxor	P	N	N	N
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
98039	BW002-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
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
98282	CSC210-M	Roxor	P	N	N	N
98283	CSC210BC-M	Roxor	P	N	N	N
98284	CSC210BCO-M	Roxor	P	N	N	N
98285	CSC210BG-M	Roxor	P	N	N	N
98286	CSC210BN-M	Roxor	P	N	N	N
98287	CSC210CO-M	Roxor	P	N	N	N
98288	CSC210G-M	Roxor	P	N	N	N
98289	CSC210N-M	Roxor	P	N	N	N
98290	CSC215-M	Roxor	P	N	N	N
98291	CSC215BC-M	Roxor	P	N	N	N
98292	CSC215BCO-M	Roxor	P	N	N	N
98293	CSC215BG-M	Roxor	P	N	N	N
98294	CSC215BN-M	Roxor	P	N	N	N
98295	CSC215CO-M	Roxor	P	N	N	N
98296	CSC215G-M	Roxor	P	N	N	N
98297	CSC215N-M	Roxor	P	N	N	N
98298	CSC220-M	Roxor	P	N	N	N
98299	CSC220BC-M	Roxor	P	N	N	N
98300	CSC220BCO-M	Roxor	P	N	N	N
98301	CSC220BG-M	Roxor	P	N	N	N
98302	CSC220BN-M	Roxor	P	N	N	N
98303	CSC220CO-M	Roxor	P	N	N	N
98304	CSC220G-M	Roxor	P	N	N	N
98305	CSC220N-M	Roxor	P	N	N	N
98306	CSC225-M	Roxor	P	N	N	N
98307	CSC225BC-M	Roxor	P	N	N	N
98308	CSC225BCO-M	Roxor	P	N	N	N
98309	CSC225BG-M	Roxor	P	N	N	N
98310	CSC225BN-M	Roxor	P	N	N	N
98311	CSC225CO-M	Roxor	P	N	N	N
98312	CSC225G-M	Roxor	P	N	N	N
98313	CSC225N-M	Roxor	P	N	N	N
98314	CSC250-M	Roxor	P	N	N	N
98315	CSC250BC-M	Roxor	P	N	N	N
98316	CSC250BCO-M	Roxor	P	N	N	N
98317	CSC250BG-M	Roxor	P	N	N	N
98318	CSC250BN-M	Roxor	P	N	N	N
98319	CSC250CO-M	Roxor	P	N	N	N