SELECT 
  lang.name, 
  lang.value 
FROM 
  cscart_language_values lang 
WHERE 
  lang.lang_code = 'en' 
  AND lang.name IN (
    'contact_information', 'text_multiprofile_notice', 
    'billing_address', 'shipping_address', 
    'shipping_address', 'billing_address', 
    'revert', 'usergroup', 'status', 
    'action', 'active', 'remove', 'available', 
    'join', 'declined', 'join', 'pending', 
    'cancel', 'profile_details', 'contact_information', 
    'text_multiprofile_notice', 'billing_address', 
    'shipping_address', 'shipping_address', 
    'billing_address', 'revert', 'usergroup', 
    'status', 'action', 'active', 'remove', 
    'available', 'join', 'declined', 
    'join', 'pending', 'cancel', 'profile_details'
  )

Query time 0.00820

JSON explain

{
  "query_block": {
    "select_id": 1,
    "nested_loop": [
      {
        "table": {
          "table_name": "lang",
          "access_type": "range",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "392",
          "used_key_parts": ["lang_code", "name"],
          "rows": 16,
          "filtered": 100,
          "index_condition": "lang.lang_code = 'en' and lang.`name` in ('contact_information','text_multiprofile_notice','billing_address','shipping_address','shipping_address','billing_address','revert','usergroup','status','action','active','remove','available','join','declined','join','pending','cancel','profile_details','contact_information','text_multiprofile_notice','billing_address','shipping_address','shipping_address','billing_address','revert','usergroup','status','action','active','remove','available','join','declined','join','pending','cancel','profile_details')"
        }
      }
    ]
  }
}