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 (60726, 60732, 60736, 60742) 
  AND cscart_product_descriptions.lang_code = 'en'

Query time 0.00058

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "cscart_product_descriptions",
      "access_type": "range",
      "possible_keys": ["PRIMARY", "product_id"],
      "key": "product_id",
      "key_length": "9",
      "used_key_parts": ["product_id", "lang_code"],
      "rows": 4,
      "filtered": 100,
      "index_condition": "cscart_product_descriptions.product_id in (60726,60732,60736,60742) and cscart_product_descriptions.lang_code = 'en'"
    }
  }
}

Result

product_id meta_keywords meta_description search_words promo_text
60726 straight arm, straight gooseneck, 14 inch gooseneck, gooseneck couplers, The G1 Gooseneck Arm is a straight arm with just over a 14" inch projection. arm, gooseneck, G-1, G1, Straight gooseneck, straight arm, BLE-G1, g1, g-1, gooseneck arm dimensions, gooseneck options,
60732 straight arm, straight gooseneck, 7 inch gooseneck, gooseneck couplers, short straight arm, short gooseneck The G4 Gooseneck Arm is a short straight arm with a 7 1/2 inch projection. G-4, G4, Straight gooseneck, straight arm, short straight arm, short gooseneck, BLE-G4, g4, g-4, gooseneck options,
60736 straight arm, straight gooseneck, 20 inch gooseneck, gooseneck couplers, curve, downward curve, The G8 Gooseneck Arm is a straight arm that curves straight down on the end. G8, Straight gooseneck, straight arm, straight arm with curve, BLE-G8, G-8, gooseneck arm, arm, g8, g-8, gooseneck arm dimensions, gooseneck options,
60742 straight arm, straight gooseneck, 14 inch gooseneck, gooseneck couplers, The G1 Gooseneck Arm is a straight arm with a 14 inch projection. arm, gooseneck G-14, G14, Straight gooseneck, straight arm, BLE-G14, g-14, g14, gooseneck arm dimensions, gooseneck options, g14 arm,