SELECT 
  SQL_CALC_FOUND_ROWS products.product_id, 
  descr1.product as product, 
  companies.company as company_name, 
  products.product_type, 
  products.parent_product_id 
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) 
  LEFT JOIN cscart_product_popularity as popularity ON popularity.product_id = products.product_id 
WHERE 
  1 
  AND cscart_categories.category_id IN (
    166, 190, 235, 381, 167, 379, 321, 323, 
    341, 344, 356, 357, 360, 362, 414, 415, 
    450, 514, 527, 601, 609, 515, 352, 382, 
    326, 324, 325, 337, 342, 345, 358, 361, 
    363, 424, 429, 432, 451, 602, 610, 613, 
    516, 236, 234, 383, 353, 339, 340, 343, 
    346, 425, 430, 443, 452, 603, 486, 483, 
    505, 354, 170, 320, 359, 426, 517, 468, 
    469, 471, 526, 544, 559, 604, 490, 174, 
    355, 322, 364, 399, 446, 447, 470, 518, 
    528, 567, 605, 614, 506, 457, 328, 366, 
    444, 448, 529, 606, 525, 347, 477, 329, 
    438, 449, 530, 532, 608, 481, 478, 519, 
    531, 607, 492, 520, 350, 585, 351, 523, 
    524, 543, 586, 378, 564, 513, 589, 423, 
    600, 648, 657
  ) 
  AND companies.status IN ('A') 
  AND products.company_id = 1 
  AND (
    products.amount > 0 
    OR products.tracking = 'D'
  ) 
  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.company_id = 1 
  AND products.parent_product_id = 0 
  AND products.product_type != 'D' 
GROUP BY 
  products.product_id 
ORDER BY 
  popularity.total desc, 
  products.product_id ASC 
LIMIT 
  80, 80

Query time 0.15159

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "524.50"
    },
    "ordering_operation": {
      "using_filesort": true,
      "grouping_operation": {
        "using_temporary_table": true,
        "using_filesort": false,
        "nested_loop": [
          {
            "table": {
              "table_name": "companies",
              "access_type": "const",
              "possible_keys": [
                "PRIMARY"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "company_id"
              ],
              "key_length": "4",
              "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": "6K"
              },
              "used_columns": [
                "company_id",
                "status",
                "company"
              ]
            }
          },
          {
            "table": {
              "table_name": "cscart_categories",
              "access_type": "ALL",
              "possible_keys": [
                "PRIMARY",
                "c_status",
                "p_category_id"
              ],
              "rows_examined_per_scan": 347,
              "rows_produced_per_join": 4,
              "filtered": "1.42",
              "cost_info": {
                "read_cost": "37.05",
                "eval_cost": "0.49",
                "prefix_cost": "37.54",
                "data_read_per_join": "15K"
              },
              "used_columns": [
                "category_id",
                "storefront_id",
                "usergroup_ids",
                "status"
              ],
              "attached_condition": "((`softwarepirmam_hewadelivard_cscart_4`.`cscart_categories`.`category_id` in (166,190,235,381,167,379,321,323,341,344,356,357,360,362,414,415,450,514,527,601,609,515,352,382,326,324,325,337,342,345,358,361,363,424,429,432,451,602,610,613,516,236,234,383,353,339,340,343,346,425,430,443,452,603,486,483,505,354,170,320,359,426,517,468,469,471,526,544,559,604,490,174,355,322,364,399,446,447,470,518,528,567,605,614,506,457,328,366,444,448,529,606,525,347,477,329,438,449,530,532,608,481,478,519,531,607,492,520,350,585,351,523,524,543,586,378,564,513,589,423,600,648,657)) and ((`softwarepirmam_hewadelivard_cscart_4`.`cscart_categories`.`usergroup_ids` = '') or (0 <> find_in_set(0,`softwarepirmam_hewadelivard_cscart_4`.`cscart_categories`.`usergroup_ids`)) or (0 <> find_in_set(1,`softwarepirmam_hewadelivard_cscart_4`.`cscart_categories`.`usergroup_ids`))) and (`softwarepirmam_hewadelivard_cscart_4`.`cscart_categories`.`status` in ('A','H')) and (`softwarepirmam_hewadelivard_cscart_4`.`cscart_categories`.`storefront_id` in (0,1)))"
            }
          },
          {
            "table": {
              "table_name": "products_categories",
              "access_type": "ref",
              "possible_keys": [
                "PRIMARY",
                "pt"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "category_id"
              ],
              "key_length": "3",
              "ref": [
                "softwarepirmam_hewadelivard_cscart_4.cscart_categories.category_id"
              ],
              "rows_examined_per_scan": 194,
              "rows_produced_per_join": 954,
              "filtered": "100.00",
              "using_index": true,
              "cost_info": {
                "read_cost": "7.16",
                "eval_cost": "95.45",
                "prefix_cost": "140.16",
                "data_read_per_join": "14K"
              },
              "used_columns": [
                "product_id",
                "category_id"
              ]
            }
          },
          {
            "table": {
              "table_name": "products",
              "access_type": "eq_ref",
              "possible_keys": [
                "PRIMARY",
                "status",
                "idx_parent_product_id"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "product_id"
              ],
              "key_length": "3",
              "ref": [
                "softwarepirmam_hewadelivard_cscart_4.products_categories.product_id"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 47,
              "filtered": "5.00",
              "cost_info": {
                "read_cost": "238.62",
                "eval_cost": "4.77",
                "prefix_cost": "474.22",
                "data_read_per_join": "211K"
              },
              "used_columns": [
                "product_id",
                "product_type",
                "status",
                "company_id",
                "amount",
                "usergroup_ids",
                "tracking",
                "parent_product_id"
              ],
              "attached_condition": "((`softwarepirmam_hewadelivard_cscart_4`.`products`.`parent_product_id` = 0) and (`softwarepirmam_hewadelivard_cscart_4`.`products`.`company_id` = 1) and ((`softwarepirmam_hewadelivard_cscart_4`.`products`.`amount` > 0) or (`softwarepirmam_hewadelivard_cscart_4`.`products`.`tracking` = 'D')) and ((`softwarepirmam_hewadelivard_cscart_4`.`products`.`usergroup_ids` = '') or (0 <> find_in_set(0,`softwarepirmam_hewadelivard_cscart_4`.`products`.`usergroup_ids`)) or (0 <> find_in_set(1,`softwarepirmam_hewadelivard_cscart_4`.`products`.`usergroup_ids`))) and (`softwarepirmam_hewadelivard_cscart_4`.`products`.`status` = 'A') and (`softwarepirmam_hewadelivard_cscart_4`.`products`.`product_type` <> 'D'))"
            }
          },
          {
            "table": {
              "table_name": "prices",
              "access_type": "ref",
              "possible_keys": [
                "usergroup",
                "product_id",
                "lower_limit",
                "usergroup_id"
              ],
              "key": "product_id",
              "used_key_parts": [
                "product_id"
              ],
              "key_length": "3",
              "ref": [
                "softwarepirmam_hewadelivard_cscart_4.products_categories.product_id"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 47,
              "filtered": "99.93",
              "cost_info": {
                "read_cost": "11.93",
                "eval_cost": "4.77",
                "prefix_cost": "490.93",
                "data_read_per_join": "1K"
              },
              "used_columns": [
                "product_id",
                "lower_limit",
                "usergroup_id"
              ],
              "attached_condition": "((`softwarepirmam_hewadelivard_cscart_4`.`prices`.`lower_limit` = 1) and (`softwarepirmam_hewadelivard_cscart_4`.`prices`.`usergroup_id` in (0,0,1)))"
            }
          },
          {
            "table": {
              "table_name": "popularity",
              "access_type": "eq_ref",
              "possible_keys": [
                "PRIMARY",
                "total"
              ],
              "key": "PRIMARY",
              "used_key_parts": [
                "product_id"
              ],
              "key_length": "3",
              "ref": [
                "softwarepirmam_hewadelivard_cscart_4.products_categories.product_id"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 47,
              "filtered": "100.00",
              "cost_info": {
                "read_cost": "11.92",
                "eval_cost": "4.77",
                "prefix_cost": "507.62",
                "data_read_per_join": "1K"
              },
              "used_columns": [
                "product_id",
                "total"
              ]
            }
          },
          {
            "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": [
                "softwarepirmam_hewadelivard_cscart_4.products_categories.product_id",
                "const"
              ],
              "rows_examined_per_scan": 1,
              "rows_produced_per_join": 47,
              "filtered": "100.00",
              "cost_info": {
                "read_cost": "12.11",
                "eval_cost": "4.77",
                "prefix_cost": "524.50",
                "data_read_per_join": "217K"
              },
              "used_columns": [
                "product_id",
                "lang_code",
                "product"
              ]
            }
          }
        ]
      }
    }
  }
}