SELECT 
  tmall_product_filters.feature_id, 
  tmall_product_filters.filter_id, 
  tmall_product_filters.field_type, 
  tmall_product_filters.round_to, 
  tmall_product_filters.abt__ut2_display_desktop as display, 
  tmall_product_filters.display_count, 
  tmall_product_filter_descriptions.filter, 
  tmall_product_features.feature_type, 
  tmall_product_features.filter_style, 
  tmall_product_features_descriptions.prefix, 
  tmall_product_features_descriptions.suffix 
FROM 
  tmall_product_filters 
  LEFT JOIN tmall_product_filter_descriptions ON tmall_product_filter_descriptions.filter_id = tmall_product_filters.filter_id 
  AND tmall_product_filter_descriptions.lang_code = 'en' 
  LEFT JOIN tmall_product_features ON tmall_product_features.feature_id = tmall_product_filters.feature_id 
  LEFT JOIN tmall_product_features_descriptions ON tmall_product_features_descriptions.feature_id = tmall_product_filters.feature_id 
  AND tmall_product_features_descriptions.lang_code = 'en' 
WHERE 
  tmall_product_filters.status = 'A' 
  AND (
    tmall_product_filters.categories_path = '' 
    OR FIND_IN_SET(
      212, tmall_product_filters.categories_path
    )
  ) 
ORDER BY 
  tmall_product_filters.position, 
  tmall_product_filter_descriptions.filter

Query time 0.00831

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost": 0.048054381,
    "filesort": {
      "sort_key": "tmall_product_filters.position, tmall_product_filter_descriptions.filter",
      "temporary_table": {
        "nested_loop": [
          {
            "table": {
              "table_name": "tmall_product_filters",
              "access_type": "ALL",
              "loops": 1,
              "rows": 7,
              "cost": 0.011130435,
              "filtered": 100,
              "attached_condition": "tmall_product_filters.`status` = 'A' and (tmall_product_filters.categories_path = '' or find_in_set(212,tmall_product_filters.categories_path))"
            }
          },
          {
            "table": {
              "table_name": "tmall_product_filter_descriptions",
              "access_type": "eq_ref",
              "possible_keys": ["PRIMARY"],
              "key": "PRIMARY",
              "key_length": "9",
              "used_key_parts": ["filter_id", "lang_code"],
              "ref": ["tmall.tmall_product_filters.filter_id", "const"],
              "loops": 7,
              "rows": 1,
              "cost": 0.012307982,
              "filtered": 100,
              "attached_condition": "trigcond(tmall_product_filter_descriptions.lang_code = 'en')"
            }
          },
          {
            "table": {
              "table_name": "tmall_product_features",
              "access_type": "eq_ref",
              "possible_keys": ["PRIMARY"],
              "key": "PRIMARY",
              "key_length": "3",
              "used_key_parts": ["feature_id"],
              "ref": ["tmall.tmall_product_filters.feature_id"],
              "loops": 7,
              "rows": 1,
              "cost": 0.012307982,
              "filtered": 100
            }
          },
          {
            "table": {
              "table_name": "tmall_product_features_descriptions",
              "access_type": "eq_ref",
              "possible_keys": ["PRIMARY"],
              "key": "PRIMARY",
              "key_length": "9",
              "used_key_parts": ["feature_id", "lang_code"],
              "ref": ["tmall.tmall_product_filters.feature_id", "const"],
              "loops": 7,
              "rows": 1,
              "cost": 0.012307982,
              "filtered": 100,
              "attached_condition": "trigcond(tmall_product_features_descriptions.lang_code = 'en')"
            }
          }
        ]
      }
    }
  }
}