SELECT 
  lang.name, 
  lang.value 
FROM 
  cscart_language_values lang 
WHERE 
  lang.lang_code = 'en' 
  AND lang.name IN (
    'product_reviews.product_is_rated_n_out_of_five_stars', 
    'product_reviews.show_rating', 
    'product_reviews.click_to_see_reviews', 
    'product_reviews.reviews', 'product_reviews.product_is_rated_n_out_of_five_stars', 
    'product_reviews.show_rating', 
    'product_reviews.click_to_see_reviews', 
    'product_reviews.reviews'
  )

Query time 0.00024

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": 4,
      "filtered": 100,
      "index_condition": "lang.lang_code = 'en' and lang.`name` in ('product_reviews.product_is_rated_n_out_of_five_stars','product_reviews.show_rating','product_reviews.click_to_see_reviews','product_reviews.reviews','product_reviews.product_is_rated_n_out_of_five_stars','product_reviews.show_rating','product_reviews.click_to_see_reviews','product_reviews.reviews')"
    }
  }
}

Result

name value
product_reviews.click_to_see_reviews Click to see the reviews
product_reviews.product_is_rated_n_out_of_five_stars The product is rated [n] out of 5 stars
product_reviews.reviews Reviews: [n]
product_reviews.show_rating Show review rating