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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 (3498, 3428, 5802) 
  AND cscart_ult_product_descriptions.company_id = 1 
  AND cscart_ult_product_descriptions.lang_code = 'en'

Query time 0.00029

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "2.37"
    },
    "table": {
      "table_name": "cscart_ult_product_descriptions",
      "access_type": "range",
      "possible_keys": [
        "PRIMARY",
        "product_id",
        "company_id"
      ],
      "key": "PRIMARY",
      "used_key_parts": [
        "product_id",
        "lang_code",
        "company_id"
      ],
      "key_length": "13",
      "rows_examined_per_scan": 3,
      "rows_produced_per_join": 3,
      "filtered": "100.00",
      "index_condition": "((`gaseus`.`cscart_ult_product_descriptions`.`company_id` = 1) and (`gaseus`.`cscart_ult_product_descriptions`.`product_id` in (3498,3428,5802)) and (`gaseus`.`cscart_ult_product_descriptions`.`lang_code` = 'en'))",
      "cost_info": {
        "read_cost": "2.08",
        "eval_cost": "0.30",
        "prefix_cost": "2.38",
        "data_read_per_join": "11K"
      },
      "used_columns": [
        "product_id",
        "lang_code",
        "company_id",
        "short_description",
        "full_description",
        "meta_keywords",
        "meta_description",
        "search_words",
        "promo_text"
      ]
    }
  }
}

Result

product_id	short_description	full_description	meta_keywords	meta_description	search_words	promo_text
3428		according to drawing no. 95 100 130, with inlet pressure gauge and shut-off valve,Inlet pressure max: 12 bar<br />Outlet pressure: fixed at approx. 0.5 - 0.7 bar<br />Inlet: 7/16" x 28 NS2<br />Output: compression fitting 4 mm Ms nickel-plated<br />Inlet pressure gauge: 0 - 16 bar<br />Output pressure gauge: without (no connection available)<br />With flyer provided by Linde - Linde #43586000<br />Accessory pack: bag with 3 O-rings #11207000<br /><br />Minimum order quantity 300 pieces
3498		acc. to ISO 2503, single stage with safety gauges acc. to EN562inlet pressure max:300 bar<br />outlet pressure: 10 - 100 bar adjustable<br />flow max:380 Nm³/h at 50 bar outlet pressure <br />inlet connection: W 30x2 RH nut acc. to DIN 477-5, no. 59<br />outlet connection: G3/4RHf male DIN 477-1, no. 9<br />inlet gauge: 0 – 400/300 bar<br />working gauge: 0 – 160/100 bar<br />width x height x depth: 170 x 140 x 180 mm<br />with Linde-Logo stamped on body, with Linde operating manual and Linde adhesive tape