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SELECT 
  cscart_product_features.feature_id, 
  cscart_product_features.feature_code, 
  cscart_product_features.company_id, 
  cscart_product_features.feature_type, 
  cscart_product_features.parent_id, 
  cscart_product_features.display_on_product, 
  cscart_product_features.display_on_catalog, 
  cscart_product_features.display_on_header, 
  cscart_product_features_descriptions.description, 
  cscart_product_features_descriptions.internal_name, 
  cscart_product_features_descriptions.lang_code, 
  cscart_product_features_descriptions.prefix, 
  cscart_product_features_descriptions.suffix, 
  cscart_product_features.categories_path, 
  cscart_product_features_descriptions.full_description, 
  cscart_product_features.status, 
  cscart_product_features.comparison, 
  cscart_product_features.position, 
  cscart_product_features.purpose, 
  cscart_product_features.feature_style, 
  cscart_product_features.filter_style 
FROM 
  cscart_product_features 
  LEFT JOIN cscart_product_features_descriptions ON cscart_product_features_descriptions.feature_id = cscart_product_features.feature_id 
  AND cscart_product_features_descriptions.lang_code = 'en' 
  INNER JOIN cscart_ult_objects_sharing ON (
    cscart_ult_objects_sharing.share_object_id = cscart_product_features.feature_id 
    AND cscart_ult_objects_sharing.share_company_id = 1 
    AND cscart_ult_objects_sharing.share_object_type = 'product_features'
  ) 
WHERE 
  cscart_product_features.feature_id = 18

Query time 0.00076

JSON explain

{
  "query_block": {
    "select_id": 1,
    "const_condition": "1",
    "table": {
      "table_name": "cscart_product_features",
      "access_type": "const",
      "possible_keys": ["PRIMARY"],
      "key": "PRIMARY",
      "key_length": "3",
      "used_key_parts": ["feature_id"],
      "ref": ["const"],
      "rows": 1,
      "filtered": 100
    },
    "table": {
      "table_name": "cscart_product_features_descriptions",
      "access_type": "const",
      "possible_keys": ["PRIMARY"],
      "key": "PRIMARY",
      "key_length": "9",
      "used_key_parts": ["feature_id", "lang_code"],
      "ref": ["const", "const"],
      "rows": 1,
      "filtered": 100
    },
    "table": {
      "table_name": "cscart_ult_objects_sharing",
      "access_type": "const",
      "possible_keys": ["PRIMARY"],
      "key": "PRIMARY",
      "key_length": "159",
      "used_key_parts": [
        "share_object_id",
        "share_company_id",
        "share_object_type"
      ],
      "ref": ["const", "const", "const"],
      "rows": 1,
      "filtered": 100,
      "using_index": true
    }
  }
}

Result

feature_id	feature_code	company_id	feature_type	parent_id	display_on_product	display_on_catalog	display_on_header	description	internal_name	lang_code	prefix	suffix	categories_path	full_description	status	comparison	position	purpose	feature_style	filter_style
18		1	E	0	N	N	Y	Make	Make	en					A	N	0	organize_catalog	brand	checkbox