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SELECT 
  lang.name, 
  IF(
    cscart_ult_language_values.value IS NULL, 
    lang.value, cscart_ult_language_values.value
  ) as value 
FROM 
  cscart_language_values lang 
  LEFT JOIN cscart_ult_language_values ON cscart_ult_language_values.name = lang.name 
  AND company_id = 1 
  AND cscart_ult_language_values.lang_code = lang.lang_code 
WHERE 
  lang.lang_code = 'tr' 
  AND lang.name IN (
    'geo_maps.google_maps_cookie_title', 
    'geo_maps.google_maps_cookie_description', 
    'geo_maps.yandex_maps_cookie_title', 
    'geo_maps.yandex_maps_cookie_description', 
    'geo_maps.google_maps_cookie_title', 
    'geo_maps.google_maps_cookie_description', 
    'geo_maps.yandex_maps_cookie_title', 
    'geo_maps.yandex_maps_cookie_description'
  )

Query time 0.00046

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "cscart_ult_language_values",
      "access_type": "system",
      "possible_keys": ["PRIMARY"],
      "rows": 0,
      "filtered": 0,
      "const_row_not_found": true
    },
    "table": {
      "table_name": "lang",
      "access_type": "range",
      "possible_keys": ["PRIMARY"],
      "key": "PRIMARY",
      "key_length": "392",
      "used_key_parts": ["lang_code", "name"],
      "rows": 4,
      "filtered": 100,
      "index_condition": "lang.lang_code = 'tr' and lang.`name` in ('geo_maps.google_maps_cookie_title','geo_maps.google_maps_cookie_description','geo_maps.yandex_maps_cookie_title','geo_maps.yandex_maps_cookie_description','geo_maps.google_maps_cookie_title','geo_maps.google_maps_cookie_description','geo_maps.yandex_maps_cookie_title','geo_maps.yandex_maps_cookie_description')"
    }
  }
}

Result

name	value
geo_maps.google_maps_cookie_description	Google Haritalar, haritaları ve bu haritalardaki çeşitli konumları göstermemize veya konumunuzu otomatik olarak belirlememize olanak tanıyan bir hizmettir. İşte <a href="https://policies.google.com/privacy" target="_blank">Google gizlilik politikası;</a> ayrıca Google'ın kısa ve kapsamlı <a href="https://support.google.com/maps/answer/10400210" target="_blank">gizlilikle ilgili notunu</a>öneriyoruz.
geo_maps.google_maps_cookie_title	Google Haritalar
geo_maps.yandex_maps_cookie_description	Yandex Haritalar, haritaları ve bu haritalar üzerindeki çeşitli yerleri göstermemizi veya konumunuzu otomatik olarak belirlememizi sağlayan bir hizmettir. İşte <a href="https://yandex.com/legal/confidential/" target="_blank">Yandex gizlilik politikası</a>.
geo_maps.yandex_maps_cookie_title	Yandex Haritalar