Sandbox

SELECT 
  lang.name, 
  lang.value 
FROM 
  cscart_language_values lang 
WHERE 
  lang.lang_code = 'tr' 
  AND lang.name IN (
    'powered_by', 'copyright_shopping_cart', 
    'powered_by', 'copyright_shopping_cart'
  )

Query time 0.00226

Explain
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	lang	range	PRIMARY	PRIMARY	392		2	Using index condition

Result

name	value
copyright_shopping_cart	Hobilife.com - tarafından desteklenmektedir.
powered_by	Made with Love by