SELECT 
  cscart_product_descriptions.product_id, 
  cscart_product_descriptions.meta_keywords, 
  cscart_product_descriptions.meta_description, 
  cscart_product_descriptions.search_words, 
  cscart_product_descriptions.promo_text 
FROM 
  cscart_product_descriptions 
WHERE 
  cscart_product_descriptions.product_id IN (504, 658, 659) 
  AND cscart_product_descriptions.lang_code = 'en'

Query time 0.00070

Explain
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE cscart_product_descriptions range PRIMARY,product_id PRIMARY 9 3 Using index condition

Result

product_id meta_keywords meta_description search_words promo_text
504 ✔reinforces absorptive substrates ✔quick-drying ✔application in temp. up to +30°C ✔improves bonding to the substrate ✔underneath floors and screeds, adhesives, plasters, top finishes, paints ✔check it on baubay.de
658
659