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SELECT 
  cscart_product_descriptions.product_id, 
  cscart_product_descriptions.short_description, 
  IF(
    cscart_product_descriptions.short_description = '' 
    OR cscart_product_descriptions.short_description IS NULL, 
    cscart_product_descriptions.full_description, 
    ''
  ) AS full_description, 
  cscart_product_descriptions.meta_keywords, 
  cscart_product_descriptions.meta_description, 
  cscart_product_descriptions.search_words, 
  cscart_product_descriptions.promo_text, 
  cscart_product_descriptions.unit_name 
FROM 
  cscart_product_descriptions 
WHERE 
  cscart_product_descriptions.product_id IN (78, 79, 81, 80) 
  AND cscart_product_descriptions.lang_code = 'tr'

Query time 0.00036

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": "3",
      "used_key_parts": ["product_id"],
      "rows": 4,
      "filtered": 100,
      "index_condition": "cscart_product_descriptions.product_id in (78,79,81,80)",
      "attached_condition": "cscart_product_descriptions.lang_code = 'tr'"
    }
  }
}

Result

product_id	full_description	promo_text
78	<p>Get moving in the lightweight adizero™ Rush shoes by adidas. These featherweight, dynamic men's running shoes are just 7.5 ounces of high-mileage style, with adiPRENE®+ support in the forefoot, a light synthetic upper and a thin rubber outsole for a close</p>	<p class="product-promo-text"><span class="product-promo-header">FREE US shipping over $100!</span><span class="product-promo-body">Orders within next 2 days will be shipped on Monday</span></p>
79	<p> The adiZero™ Tempaia shoes by adidas are lightweight, breathable tennis shoes designed for multi-court use. They feature a breathable upper, adiPRENE®+ in the forefoot for propulsion, adiPRENE® heel cushioning and EXTENDED TORSION® for support. </p>	<p class="product-promo-text"><span class="product-promo-header">FREE US shipping over $100!</span><span class="product-promo-body">Orders within next 2 days will be shipped on Monday</span></p>
80	<div class="black-white-black-white text description"> <div class="product-description-component"> <p><strong>The Nike Tenkay Slip TXTL: Casual-cool with a sporty side</strong></p> Versatile and super comfortable, the Nike Tenkay Slip TXTL Women's Shoe looks as good as it feels. With a soft textile upper and a durable rubber outsole, this shoe provides excellent traction on a variety of surfaces.<br /> <p><strong>Benefits</strong></p> <li>Textile upper with suede overlays for a comfortable fit</li> <li>Elastic slip-on entry for easy on and off</li> <li>Flex grooves at outsole for enhanced flexibility</li> <br /> <p><strong>Additional Details</strong></p> <li>Removable ankle strap for a versatile fit</li> <li>Rubber outsole for durability</li> </div> </div>	<p class="product-promo-text"><span class="product-promo-header">FREE US shipping over $100!</span><span class="product-promo-body">Orders within next 2 days will be shipped on Monday</span></p>
81	<div class="linePadding leadingEquity">Authentic designs. Free-spirited heritage. Shaping the moccasin's place in history since 1946.</div> <div class="linePadding">Leather</div> <ul class="equityBullets firstSet"> <li>• Genuine leather construction </li> <li>• Lace-up front </li> <li>• Long-wearing nub bottom </li> <li>• Cushioned leather insole </li> <li>• Contrast stitching </li> </ul>	<p class="product-promo-text"><span class="product-promo-header">FREE US shipping over $100!</span><span class="product-promo-body">Orders within next 2 days will be shipped on Monday</span></p>