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 (
    7148, 7149, 7150, 7151, 7152, 7160, 7161, 
    7162, 7227, 7156, 7157, 7194, 7218, 
    7158, 7159, 7247, 7263, 7163, 7164, 
    7207, 7208, 7224, 7243, 7225, 7283, 
    7266, 7267, 7313, 7314, 7342, 7348
  ) 
  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 
  2400, 96

Query time 0.08373

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "129.83"
    },
    "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": 31,
              "rows_produced_per_join": 1,
              "filtered": "4.00",
              "cost_info": {
                "read_cost": "13.86",
                "eval_cost": "0.12",
                "prefix_cost": "13.98",
                "data_read_per_join": "3K"
              },
              "used_columns": [
                "category_id",
                "usergroup_ids",
                "status",
                "storefront_id"
              ],
              "attached_condition": "((`nuie_scalesta_net`.`cscart_categories`.`category_id` in (7148,7149,7150,7151,7152,7160,7161,7162,7227,7156,7157,7194,7218,7158,7159,7247,7263,7163,7164,7207,7208,7224,7243,7225,7283,7266,7267,7313,7314,7342,7348)) 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": 2,
              "filtered": "33.33",
              "using_join_buffer": "hash join",
              "cost_info": {
                "read_cost": "2.60",
                "eval_cost": "0.21",
                "prefix_cost": "16.79",
                "data_read_per_join": "13K"
              },
              "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": 243,
              "filtered": "100.00",
              "using_index": true,
              "cost_info": {
                "read_cost": "0.60",
                "eval_cost": "24.31",
                "prefix_cost": "41.71",
                "data_read_per_join": "3K"
              },
              "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": 12,
              "filtered": "5.00",
              "cost_info": {
                "read_cost": "36.47",
                "eval_cost": "1.22",
                "prefix_cost": "102.48",
                "data_read_per_join": "58K"
              },
              "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": 12,
              "filtered": "100.00",
              "cost_info": {
                "read_cost": "2.48",
                "eval_cost": "1.22",
                "prefix_cost": "106.17",
                "data_read_per_join": "46K"
              },
              "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": 19,
              "filtered": "9.92",
              "cost_info": {
                "read_cost": "3.51",
                "eval_cost": "2.00",
                "prefix_cost": "129.83",
                "data_read_per_join": "479"
              },
              "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
98955	MPC2335-P	Roxor	P	N	N	N
98956	MPC2605-P	Roxor	P	N	N	N
98957	MPC2607-P	Roxor	P	N	N	N
98958	MPC2611-P	Roxor	P	N	N	N
98959	MPC2612-P	Roxor	P	N	N	N
98960	MPC2613-P	Roxor	P	N	N	N
98961	MPC2631-P	Roxor	P	N	N	N
98962	MPC2635-P	Roxor	P	N	N	N
98963	MPC3105-P	Roxor	P	N	N	N
98964	MPC3107-P	Roxor	P	N	N	N
98965	MPC3111-P	Roxor	P	N	N	N
98966	MPC3112-P	Roxor	P	N	N	N
98967	MPC3113-P	Roxor	P	N	N	N
98968	MPC3131-P	Roxor	P	N	N	N
98969	MPC3135-P	Roxor	P	N	N	N
98970	MPC3205-P	Roxor	P	N	N	N
98971	MPC3207-P	Roxor	P	N	N	N
98972	MPC3211-P	Roxor	P	N	N	N
98973	MPC3212-P	Roxor	P	N	N	N
98974	MPC3213-P	Roxor	P	N	N	N
98975	MPC3231-P	Roxor	P	N	N	N
98976	MPC3235-P	Roxor	P	N	N	N
98977	MPD2505-P	Roxor	P	N	N	N
98978	MPD2507-P	Roxor	P	N	N	N
98979	MPD2511-P	Roxor	P	N	N	N
98980	MPD2512-P	Roxor	P	N	N	N
98981	MPD2513-P	Roxor	P	N	N	N
98982	MPD2531-P	Roxor	P	N	N	N
98983	MPD2535-P	Roxor	P	N	N	N
98984	MPD2705-P	Roxor	P	N	N	N
98985	MPD2707-P	Roxor	P	N	N	N
98986	MPD2711-P	Roxor	P	N	N	N
98987	MPD2712-P	Roxor	P	N	N	N
98988	MPD2713-P	Roxor	P	N	N	N
98989	MPD2731-P	Roxor	P	N	N	N
98990	MPD2735-P	Roxor	P	N	N	N
98991	MPD3005-P	Roxor	P	N	N	N
98992	MPD3007-P	Roxor	P	N	N	N
98993	MPD3011-P	Roxor	P	N	N	N
98994	MPD3012-P	Roxor	P	N	N	N
98995	MPD3013-P	Roxor	P	N	N	N
98996	MPD3031-P	Roxor	P	N	N	N
98997	MPD3035-P	Roxor	P	N	N	N
98998	MPD505N-P	Roxor	P	N	N	N
98999	MPD507N-P	Roxor	P	N	N	N
99000	MPD511N-P	Roxor	P	N	N	N
99001	MPD512N-P	Roxor	P	N	N	N
99002	MPD513N-P	Roxor	P	N	N	N
99003	MPD531N-P	Roxor	P	N	N	N
99004	MPD535N-P	Roxor	P	N	N	N
99005	MPD605N-P	Roxor	P	N	N	N
99006	MPD607N-P	Roxor	P	N	N	N
99007	MPD611N-P	Roxor	P	N	N	N
99008	MPD612N-P	Roxor	P	N	N	N
99009	MPD613N-P	Roxor	P	N	N	N
99010	MPD631N-P	Roxor	P	N	N	N
99011	MPD635N-P	Roxor	P	N	N	N
99056	NBC001-P	Roxor	P	N	N	N
99057	NBC002-P	Roxor	P	N	N	N
99058	NBC003-P	Roxor	P	N	N	N
99059	NBC004-P	Roxor	P	N	N	N
99060	NBC005-P	Roxor	P	N	N	N
99061	NBC006-P	Roxor	P	N	N	N
99062	NBC007-P	Roxor	P	N	N	N
99063	NBC101-P	Roxor	P	N	N	N
99064	NBC102-P	Roxor	P	N	N	N
99065	NBC103-P	Roxor	P	N	N	N
99066	NBL001-P	Roxor	P	N	N	N
99067	NBV001-P	Roxor	P	N	N	N
99133	NCB699-P	Roxor	P	N	N	N
99141	NCG398-P	Roxor	P	N	N	N
99142	NCG399-P	Roxor	P	N	N	N
99151	NCG496-P	Roxor	P	N	N	N
99152	NCG499-P	Roxor	P	N	N	N
99169	NCH196-P	Roxor	P	N	N	N
99170	NCH198-P	Roxor	P	N	N	N
99248	NCT699-P	Roxor	P	N	N	N
99257	NCU699-P	Roxor	P	N	N	N
99262	NCU799-P	Roxor	P	N	N	N
99322	NLS198-P	Roxor	P	N	N	N
99323	NLS199-P	Roxor	P	N	N	N
99324	NLV003-P	Roxor	P	N	N	N
99325	NLV005-P	Roxor	P	N	N	N
99326	NLV007-P	Roxor	P	N	N	N
99327	NLV033-P	Roxor	P	N	N	N
99328	NLV035-P	Roxor	P	N	N	N
99329	NLV037-P	Roxor	P	N	N	N
99333	NMP131-P	Roxor	P	N	N	N
99334	NMP131W-P	Roxor	P	N	N	N
99335	NMP135-P	Roxor	P	N	N	N
99336	NMP135W-P	Roxor	P	N	N	N
99337	NMP1431-P	Roxor	P	N	N	N
99338	NMP1435-P	Roxor	P	N	N	N
99339	NMP1800W-P	Roxor	P	N	N	N
99340	NMP2931-P	Roxor	P	N	N	N
99341	NMP2935-P	Roxor	P	N	N	N