SELECT 
  cscart_ult_product_descriptions.product_id, 
  cscart_ult_product_descriptions.short_description, 
  IF(
    cscart_ult_product_descriptions.short_description = "", 
    cscart_ult_product_descriptions.full_description, 
    ""
  ) AS full_description, 
  cscart_ult_product_descriptions.meta_keywords, 
  cscart_ult_product_descriptions.meta_description, 
  cscart_ult_product_descriptions.search_words, 
  cscart_ult_product_descriptions.promo_text 
FROM 
  cscart_ult_product_descriptions 
WHERE 
  cscart_ult_product_descriptions.product_id IN (
    7793, 7789, 7795, 7797, 7787, 7794, 7788, 
    7791, 7790, 7796, 7792
  ) 
  AND cscart_ult_product_descriptions.company_id = 1 
  AND cscart_ult_product_descriptions.lang_code = 'en'

Query time 0.00025

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "cscart_ult_product_descriptions",
      "access_type": "range",
      "possible_keys": ["PRIMARY", "product_id", "company_id"],
      "key": "product_id",
      "key_length": "3",
      "used_key_parts": ["product_id"],
      "rows": 11,
      "filtered": 100,
      "index_condition": "cscart_ult_product_descriptions.product_id in (7793,7789,7795,7797,7787,7794,7788,7791,7790,7796,7792)",
      "attached_condition": "cscart_ult_product_descriptions.company_id = 1 and cscart_ult_product_descriptions.lang_code = 'en'"
    }
  }
}

Result

product_id short_description full_description meta_keywords meta_description search_words promo_text
7787 Load Termination SP BNC - 0 - 1.0 GHz
7789 Load Termination 15W - 0 - 1.0 GHz
7790 Load Termination 30W - 0 - 1.0 GHz
7791 Load Termination 60W - 0 - 1.0 GHz
7792 Load Termination 75W - 0 - 1.0 GHz
7793 Load Termination 100W - 0 - 1.0 GHz
7794 Load Termination 125W - 0 - 1.0 GHz
7795 Load Termination 150W - 0 - 1.0 GHz
7796 Load Termination 250W - 0 - 1.0 GHz
7797 Load Termination 300W - 0 - 1.0 GHz