Sandbox

SELECT 
  lang.name, 
  lang.value 
FROM 
  cscart_language_values lang 
WHERE 
  lang.lang_code = 'en' 
  AND lang.name IN (
    'text_login_form', 'text_recover_password_title', 
    'text_recover_password', 'text_login_form', 
    'text_recover_password_title', 
    'text_recover_password'
  )

Query time 0.00022

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "lang",
      "access_type": "range",
      "possible_keys": ["PRIMARY"],
      "key": "PRIMARY",
      "key_length": "392",
      "used_key_parts": ["lang_code", "name"],
      "rows": 3,
      "filtered": 100,
      "attached_condition": "lang.lang_code = 'en' and lang.`name` in ('text_login_form','text_recover_password_title','text_recover_password','text_login_form','text_recover_password_title','text_recover_password')"
    }
  }
}

Result

name	value
text_login_form	<h4>Not a registered member?</h4><p>Creating a new account is easy and takes less than a minute.</p>
text_recover_password	<p>If you have forgotten your password, enter your email address in the field and click <i>Reset password</i>.</p><p>You will receive a new password and a link to sign in. You will be able to change the password later.</p>
text_recover_password_title	Reset password