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.unit_name 
FROM 
  cscart_product_descriptions 
WHERE 
  cscart_product_descriptions.product_id IN (
    22047, 22048, 22049, 22050, 22051, 22052, 
    22053, 22054, 22055, 22056, 22057, 
    22058, 22059, 22060, 22061, 22062
  ) 
  AND cscart_product_descriptions.lang_code = 'ru'

Query time 0.00033

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "cscart_product_descriptions",
      "access_type": "range",
      "possible_keys": ["PRIMARY", "product_id", "idx_product_lang"],
      "key": "PRIMARY",
      "key_length": "9",
      "used_key_parts": ["product_id", "lang_code"],
      "rows": 16,
      "filtered": 100,
      "index_condition": "cscart_product_descriptions.product_id in (22047,22048,22049,22050,22051,22052,22053,22054,22055,22056,22057,22058,22059,22060,22061,22062) and cscart_product_descriptions.lang_code = 'ru'"
    }
  }
}

Result

product_id short_description full_description unit_name
22047 Gear & Linkage Assemblies - MDPS<p>Part number 57700T1200</p><p>If you are not sure about compatibility, please contact us in advance to confirm the part number.</p>
22048 Handle assembly - door outside, left<p>Part number 82651T6220FT7</p><p>If you are not sure about compatibility, please contact us in advance to confirm the part number.</p>
22049 Handle assembly - door outside, right<p>Part number 82661T6220FT7</p><p>If you are not sure about compatibility, please contact us in advance to confirm the part number.</p>
22050 Handle - rear door outside, left<p>Part number 83651T6020FT7</p><p>If you are not sure about compatibility, please contact us in advance to confirm the part number.</p>
22051 Handle - rear door outside, right<p>Part number 83661T6020FT7</p><p>If you are not sure about compatibility, please contact us in advance to confirm the part number.</p>
22052 Blind assembly - panoramic roof rear roller<p>Part number 81670T6011VNB</p><p>If you are not sure about compatibility, please contact us in advance to confirm the part number.</p>
22053 Blind assembly - panoramic roof front roller<p>Part number 81670T6010VNB</p><p>If you are not sure about compatibility, please contact us in advance to confirm the part number.</p>
22054 Cover-Tailgate Emergency Handle<p>Part number 81712T6000NNB</p><p>If you are not sure about compatibility, please contact us in advance to confirm the part number.</p>
22055 Trim assembly - tailgate frame side, left<p>Part number 81730T6000VNB</p><p>If you are not sure about compatibility, please contact us in advance to confirm the part number.</p>
22056 Trim Assembly - Tailgate Frame Side, Right<p>Part number 81740T6000VNB</p><p>If you are not sure about compatibility, please contact us in advance to confirm the part number.</p>
22057 Trim Assembly - Tailgate Lower<p>Part number 81710T6500NNB</p><p>If you are not sure about compatibility, please contact us in advance to confirm the part number.</p>
22058 Trim Assembly - Tailgate Upper<p>Part number 81720T6500VNB</p><p>If you are not sure about compatibility, please contact us in advance to confirm the part number.</p>
22059 Bracket assembly - engine mounting, right<p>Part number 21840AR800</p><p>If you are not sure about compatibility, please contact us in advance to confirm the part number.</p>
22060 Bracket - engine support, left<p>Part number 21826AR100</p><p>If you are not sure about compatibility, please contact us in advance to confirm the part number.</p>
22061 Bracket - engine support, right<p>Part number 21825AR150</p><p>If you are not sure about compatibility, please contact us in advance to confirm the part number.</p>
22062 Bracket assembly - engine mounting left<p>Part number 21850AR800</p><p>If you are not sure about compatibility, please contact us in advance to confirm the part number.</p>