SELECT 
  lang.name, 
  lang.value 
FROM 
  cscart_language_values lang 
WHERE 
  lang.lang_code = 'en' 
  AND lang.name IN (
    'social_buttons.facebook_cookie_title', 
    'social_buttons.facebook_cookie_description', 
    'social_buttons.pinterest_cookie_title', 
    'social_buttons.pinterest_cookie_description', 
    'social_buttons.twitter_cookie_title', 
    'social_buttons.twitter_cookie_description', 
    'social_buttons.vkontakte_cookie_title', 
    'social_buttons.vkontakte_cookie_description', 
    'social_buttons.yandex_cookie_title', 
    'social_buttons.yandex_cookie_description', 
    'social_buttons.facebook_cookie_title', 
    'social_buttons.facebook_cookie_description', 
    'social_buttons.pinterest_cookie_title', 
    'social_buttons.pinterest_cookie_description', 
    'social_buttons.twitter_cookie_title', 
    'social_buttons.twitter_cookie_description', 
    'social_buttons.vkontakte_cookie_title', 
    'social_buttons.vkontakte_cookie_description', 
    'social_buttons.yandex_cookie_title', 
    'social_buttons.yandex_cookie_description'
  )

Query time 0.00066

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "14.02"
    },
    "table": {
      "table_name": "lang",
      "access_type": "range",
      "possible_keys": [
        "PRIMARY"
      ],
      "key": "PRIMARY",
      "used_key_parts": [
        "lang_code",
        "name"
      ],
      "key_length": "392",
      "rows_examined_per_scan": 10,
      "rows_produced_per_join": 10,
      "filtered": "100.00",
      "cost_info": {
        "read_cost": "12.02",
        "eval_cost": "2.00",
        "prefix_cost": "14.02",
        "data_read_per_join": "3K"
      },
      "used_columns": [
        "lang_code",
        "name",
        "value"
      ],
      "attached_condition": "((`webmarco`.`lang`.`lang_code` = 'en') and (`webmarco`.`lang`.`name` in ('social_buttons.facebook_cookie_title','social_buttons.facebook_cookie_description','social_buttons.pinterest_cookie_title','social_buttons.pinterest_cookie_description','social_buttons.twitter_cookie_title','social_buttons.twitter_cookie_description','social_buttons.vkontakte_cookie_title','social_buttons.vkontakte_cookie_description','social_buttons.yandex_cookie_title','social_buttons.yandex_cookie_description','social_buttons.facebook_cookie_title','social_buttons.facebook_cookie_description','social_buttons.pinterest_cookie_title','social_buttons.pinterest_cookie_description','social_buttons.twitter_cookie_title','social_buttons.twitter_cookie_description','social_buttons.vkontakte_cookie_title','social_buttons.vkontakte_cookie_description','social_buttons.yandex_cookie_title','social_buttons.yandex_cookie_description')))"
    }
  }
}

Result

name value
social_buttons.facebook_cookie_description Facebook cookies enable Facebook-related functionality, such as Facebook button on the product page. Here is <a href="https://www.facebook.com/about/privacy/previous" target="_blank">Facebook privacy policy</a>.
social_buttons.facebook_cookie_title Facebook
social_buttons.pinterest_cookie_description Pinterest cookies enable Pinterest-related functionality, such as Pinterest button on the product page. Here is <a href="https://policy.pinterest.com/en/privacy-policy" target="_blank">Pinterest privacy policy</a>.
social_buttons.pinterest_cookie_title Pinterest
social_buttons.twitter_cookie_description Twitter cookies enable Twitter-related functionality, such as the Twitter button on the product page. Here is <a href="https://twitter.com/en/privacy" target="_blank">Twitter privacy policy</a>.
social_buttons.twitter_cookie_title Twitter
social_buttons.vkontakte_cookie_description VK cookies enable VK-related functionality, such as VK button on the product page. Here is <a href="https://m.vk.com/privacy" target="_blank">VK privacy policy</a>.
social_buttons.vkontakte_cookie_title VK
social_buttons.yandex_cookie_description Yandex helps us display the buttons of multiple social networks (for example, on product pages). Here is <a href="https://yandex.com/legal/confidential/" target="_blank">Yandex privacy policy</a>.
social_buttons.yandex_cookie_title Yandex