SELECT 
  SQL_CALC_FOUND_ROWS products.product_id, 
  products.amount, 
  descr1.product as product, 
  companies.company as company_name, 
  variation_group_products.group_id AS variation_group_id, 
  products.product_type, 
  products.parent_product_id, 
  products.master_product_offers_count, 
  products.master_product_id, 
  products.company_id 
FROM 
  tmall_products as products 
  LEFT JOIN tmall_product_descriptions as descr1 ON descr1.product_id = products.product_id 
  AND descr1.lang_code = 'en' 
  LEFT JOIN tmall_companies AS companies ON companies.company_id = products.company_id 
  INNER JOIN tmall_products_categories as products_categories ON products_categories.product_id = products.product_id 
  INNER JOIN tmall_categories ON tmall_categories.category_id = products_categories.category_id 
  AND (
    tmall_categories.usergroup_ids = '' 
    OR FIND_IN_SET(
      0, tmall_categories.usergroup_ids
    ) 
    OR FIND_IN_SET(
      1, tmall_categories.usergroup_ids
    )
  ) 
  AND tmall_categories.status IN ('A', 'H') 
  AND tmall_categories.storefront_id IN (0, 1) 
  INNER JOIN tmall_product_variation_group_products AS variation_group_products ON variation_group_products.product_id = products.product_id 
WHERE 
  1 
  AND (
    companies.status IN ('A') 
    OR products.company_id = 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 variation_group_products.group_id IN (10) 
  AND products.master_product_status IN ('A', 'H') 
GROUP BY 
  products.product_id 
ORDER BY 
  NULL asc

Query time 0.00765

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost": 0.261317329,
    "nested_loop": [
      {
        "table": {
          "table_name": "variation_group_products",
          "access_type": "index",
          "possible_keys": ["PRIMARY", "idx_group_id"],
          "key": "PRIMARY",
          "key_length": "6",
          "used_key_parts": ["product_id", "group_id"],
          "loops": 1,
          "rows": 7,
          "cost": 0.006758432,
          "filtered": 100,
          "attached_condition": "variation_group_products.group_id = 10",
          "using_index": true
        }
      },
      {
        "table": {
          "table_name": "products",
          "access_type": "eq_ref",
          "possible_keys": ["PRIMARY", "status"],
          "key": "PRIMARY",
          "key_length": "3",
          "used_key_parts": ["product_id"],
          "ref": ["tmall.variation_group_products.product_id"],
          "loops": 7,
          "rows": 1,
          "cost": 0.012307982,
          "filtered": 93.65079498,
          "attached_condition": "(products.usergroup_ids = '' or find_in_set(0,products.usergroup_ids) or find_in_set(1,products.usergroup_ids)) and products.`status` = 'A' and products.master_product_status in ('A','H')"
        }
      },
      {
        "table": {
          "table_name": "descr1",
          "access_type": "eq_ref",
          "possible_keys": ["PRIMARY", "product_id"],
          "key": "PRIMARY",
          "key_length": "9",
          "used_key_parts": ["product_id", "lang_code"],
          "ref": ["tmall.variation_group_products.product_id", "const"],
          "loops": 6.555555556,
          "rows": 1,
          "cost": 0.011744326,
          "filtered": 100,
          "attached_condition": "trigcond(descr1.lang_code = 'en')"
        }
      },
      {
        "table": {
          "table_name": "companies",
          "access_type": "eq_ref",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "4",
          "used_key_parts": ["company_id"],
          "ref": ["tmall.products.company_id"],
          "loops": 6.555555556,
          "rows": 1,
          "cost": 0.011539526,
          "filtered": 100,
          "attached_condition": "trigcond(companies.`status` = 'A' or products.company_id = 0)"
        }
      },
      {
        "table": {
          "table_name": "products_categories",
          "access_type": "ref",
          "possible_keys": ["PRIMARY", "pt"],
          "key": "pt",
          "key_length": "3",
          "used_key_parts": ["product_id"],
          "ref": ["tmall.variation_group_products.product_id"],
          "loops": 6.555555556,
          "rows": 11,
          "cost": 0.093240668,
          "filtered": 100
        }
      },
      {
        "table": {
          "table_name": "tmall_categories",
          "access_type": "eq_ref",
          "possible_keys": ["PRIMARY", "c_status", "p_category_id"],
          "key": "PRIMARY",
          "key_length": "3",
          "used_key_parts": ["category_id"],
          "ref": ["tmall.products_categories.category_id"],
          "loops": 72.59670782,
          "rows": 1,
          "cost": 0.125726395,
          "filtered": 100,
          "attached_condition": "(tmall_categories.usergroup_ids = '' or find_in_set(0,tmall_categories.usergroup_ids) or find_in_set(1,tmall_categories.usergroup_ids)) and tmall_categories.`status` in ('A','H') and tmall_categories.storefront_id in (0,1)"
        }
      }
    ]
  }
}