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 (7217) 
  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 0.00705

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "135.63"
    },
    "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": 174,
              "rows_produced_per_join": 290,
              "filtered": "100.00",
              "using_index": true,
              "cost_info": {
                "read_cost": "0.52",
                "eval_cost": "29.00",
                "prefix_cost": "31.79",
                "data_read_per_join": "4K"
              },
              "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": 14,
              "filtered": "5.00",
              "cost_info": {
                "read_cost": "43.50",
                "eval_cost": "1.45",
                "prefix_cost": "104.29",
                "data_read_per_join": "69K"
              },
              "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": 14,
              "filtered": "100.00",
              "cost_info": {
                "read_cost": "2.18",
                "eval_cost": "1.45",
                "prefix_cost": "107.91",
                "data_read_per_join": "55K"
              },
              "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": 23,
              "filtered": "9.92",
              "cost_info": {
                "read_cost": "3.69",
                "eval_cost": "2.39",
                "prefix_cost": "135.63",
                "data_read_per_join": "572"
              },
              "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
98754	KSA605DL-P	Roxor	P	N	N	N
98755	KSA605SL-P	Roxor	P	N	N	N
98756	KSA805DL-P	Roxor	P	N	N	N
98757	KSA805SL-P	Roxor	P	N	N	N
99653	KCH305DL-P	Roxor	P	N	N	N
99654	KCH305SL-P	Roxor	P	N	N	N
99655	KCH405DL-P	Roxor	P	N	N	N
99656	KCH405SL-P	Roxor	P	N	N	N
99657	KCH605DL-P	Roxor	P	N	N	N
99658	KCH605SL-P	Roxor	P	N	N	N
99659	KCH805DL-P	Roxor	P	N	N	N
99660	KCH805SL-P	Roxor	P	N	N	N
99661	KSI305DL-P	Roxor	P	N	N	N
99662	KSI305SL-P	Roxor	P	N	N	N
99663	KSI405DL-P	Roxor	P	N	N	N
99664	KSI405SL-P	Roxor	P	N	N	N
99665	KSI605DL-P	Roxor	P	N	N	N
99666	KSI605SL-P	Roxor	P	N	N	N
99667	KSI805DL-P	Roxor	P	N	N	N
99668	KSI805SL-P	Roxor	P	N	N	N
100504	TK001-P	Roxor	P	N	N	N
100505	TK002-P	Roxor	P	N	N	N
100506	TK002BG-P	Roxor	P	N	N	N
100507	TK002BN-P	Roxor	P	N	N	N
100508	TK002K-P	Roxor	P	N	N	N
100509	TK003-P	Roxor	P	N	N	N
100510	TK003BG-P	Roxor	P	N	N	N
100511	TK003BN-P	Roxor	P	N	N	N
100512	TK003K-P	Roxor	P	N	N	N
100513	TK004-P	Roxor	P	N	N	N
100514	TK004BG-P	Roxor	P	N	N	N
100515	TK004BN-P	Roxor	P	N	N	N
100516	TK004K-P	Roxor	P	N	N	N
100517	TK005BN-P	Roxor	P	N	N	N
100518	TK005CP-P	Roxor	P	N	N	N
100519	TK007-P	Roxor	P	N	N	N
100520	TK008-P	Roxor	P	N	N	N
100521	TK009-P	Roxor	P	N	N	N
100522	TK009BG-P	Roxor	P	N	N	N
100523	TK009BN-P	Roxor	P	N	N	N
100524	TK009K-P	Roxor	P	N	N	N
100525	TK010-P	Roxor	P	N	N	N
100526	TK011-P	Roxor	P	N	N	N
100527	TK012-P	Roxor	P	N	N	N
100528	TK013-P	Roxor	P	N	N	N
100529	TK014-P	Roxor	P	N	N	N
100530	TK015-P	Roxor	P	N	N	N
100531	TK015BG-P	Roxor	P	N	N	N
100532	TK015BN-P	Roxor	P	N	N	N
100533	TK015K-P	Roxor	P	N	N	N
100534	TK016-P	Roxor	P	N	N	N
100535	TK017-P	Roxor	P	N	N	N
100642	TTR-CLU04-P	Roxor	P	N	N	N
100644	TTR-CLU06-P	Roxor	P	N	N	N
100646	TTR-LEV04-P	Roxor	P	N	N	N
100648	TTR-LEV06-P	Roxor	P	N	N	N
101022	PDT-001310-P	Roxor	P	N	N	N
101023	PDT-001311-P	Roxor	P	N	N	N
101024	PDT-001312-P	Roxor	P	N	N	N
101025	PDT-001313-P	Roxor	P	N	N	N
101026	PDT-001323-P	Roxor	P	N	N	N
101027	PDT-001325-P	Roxor	P	N	N	N
101028	PDT-001326-P	Roxor	P	N	N	N
101029	PDT-001327-P	Roxor	P	N	N	N
101030	PDT-001328-P	Roxor	P	N	N	N
101031	PDT-001329-P	Roxor	P	N	N	N
101032	PDT-001330-P	Roxor	P	N	N	N
101033	PDT-001331-P	Roxor	P	N	N	N
101034	PDT-001332-P	Roxor	P	N	N	N
101035	PDT-001333-P	Roxor	P	N	N	N