Sandbox

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

Query time 0.00018

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
enter_email	Fırsatlardan haberdar ol
stay_connected	Haberdar Olun