SELECT 
  MIN(prices.price) as ab__min_price, 
  MAX(prices.price) as ab__max_price 
FROM 
  tmall_products as products 
  LEFT JOIN tmall_product_features_values as var_val_18 ON var_val_18.product_id = products.product_id 
  AND var_val_18.lang_code = 'en' 
  AND var_val_18.feature_id = 18 
  LEFT JOIN tmall_product_descriptions as descr1 ON descr1.product_id = products.product_id 
  AND descr1.lang_code = 'en' 
  LEFT JOIN tmall_product_prices as prices ON prices.product_id = products.product_id 
  AND prices.lower_limit = 1 
  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) 
  LEFT JOIN tmall_master_products_storefront_offers_count AS master_products_storefront_offers_count ON master_products_storefront_offers_count.product_id = products.product_id 
  AND master_products_storefront_offers_count.storefront_id = 1 
WHERE 
  prices.price > 0 
  AND (
    var_val_18.variant_id IN (119)
  ) 
  AND tmall_categories.category_id IN (246) 
  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 prices.usergroup_id IN (0, 0, 1) 
  AND products.master_product_status IN ('A', 'H') 
  AND products.master_product_id = 0 
  AND (
    products.company_id > 0 
    OR (
      master_products_storefront_offers_count.count > 0
    )
  )

Query time 0.00832

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost": 0.021569316,
    "nested_loop": [
      {
        "table": {
          "table_name": "master_products_storefront_offers_count",
          "access_type": "system",
          "possible_keys": ["PRIMARY", "idx_storefront_id"],
          "rows": 0,
          "filtered": 0,
          "const_row_not_found": true
        }
      },
      {
        "table": {
          "table_name": "tmall_categories",
          "access_type": "const",
          "possible_keys": ["PRIMARY", "c_status", "p_category_id"],
          "key": "PRIMARY",
          "key_length": "3",
          "used_key_parts": ["category_id"],
          "ref": ["const"],
          "rows": 1,
          "filtered": 100
        }
      },
      {
        "table": {
          "table_name": "products_categories",
          "access_type": "ref",
          "possible_keys": ["PRIMARY", "pt"],
          "key": "PRIMARY",
          "key_length": "3",
          "used_key_parts": ["category_id"],
          "ref": ["const"],
          "loops": 1,
          "rows": 6,
          "cost": 0.001620162,
          "filtered": 100,
          "using_index": true
        }
      },
      {
        "table": {
          "table_name": "products",
          "access_type": "eq_ref",
          "possible_keys": ["PRIMARY", "status", "idx_master_product_id"],
          "key": "PRIMARY",
          "key_length": "3",
          "used_key_parts": ["product_id"],
          "ref": ["tmall.products_categories.product_id"],
          "loops": 6,
          "rows": 1,
          "cost": 0.010578956,
          "filtered": 93.27916718,
          "attached_condition": "products.master_product_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` = 'A' and products.master_product_status in ('A','H') and products.company_id > 0"
        }
      },
      {
        "table": {
          "table_name": "var_val_18",
          "access_type": "eq_ref",
          "possible_keys": [
            "PRIMARY",
            "fl",
            "variant_id",
            "lang_code",
            "product_id",
            "fpl",
            "idx_product_feature_variant_id"
          ],
          "key": "PRIMARY",
          "key_length": "15",
          "used_key_parts": ["feature_id", "product_id", "variant_id", "lang_code"],
          "ref": [
            "const",
            "tmall.products_categories.product_id",
            "const",
            "const"
          ],
          "loops": 5.596749811,
          "rows": 1,
          "cost": 0.004159532,
          "filtered": 10.52631569,
          "attached_condition": "var_val_18.lang_code = 'en'",
          "using_index": true
        }
      },
      {
        "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": 1,
          "rows": 1,
          "cost": 0.001933826,
          "filtered": 100,
          "attached_condition": "trigcond(companies.`status` = 'A' or products.company_id = 0)"
        }
      },
      {
        "table": {
          "table_name": "prices",
          "access_type": "ref",
          "possible_keys": [
            "usergroup",
            "product_id",
            "lower_limit",
            "usergroup_id"
          ],
          "key": "usergroup",
          "key_length": "3",
          "used_key_parts": ["product_id"],
          "ref": ["tmall.products_categories.product_id"],
          "loops": 1,
          "rows": 2,
          "cost": 0.00327684,
          "filtered": 93.5160141,
          "index_condition": "prices.lower_limit = 1 and prices.usergroup_id in (0,0,1)",
          "attached_condition": "prices.price > 0"
        }
      }
    ]
  }
}

Result

ab__min_price ab__max_price
19.99 19.99