Sandbox

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 = 'tr' 
WHERE 
  cscart_product_features.feature_id = 18

Query time 0.00012

Explain
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	cscart_product_features	const	PRIMARY	PRIMARY	3	const	1
1	SIMPLE	cscart_product_features_descriptions	const	PRIMARY	PRIMARY	9	const,const	1

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		0	E	0	N	N	Y	Brand	Brand	tr					A	N	0	organize_catalog	brand	checkbox