Sandbox

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 (
    13204, 13197, 13246, 13218, 13211, 13253, 
    13302, 13303, 13308, 13309, 13306, 
    13307
  ) 
  AND cscart_product_descriptions.lang_code = 'en'

Query time 0.00054

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "12.13"
    },
    "table": {
      "table_name": "cscart_product_descriptions",
      "access_type": "range",
      "possible_keys": [
        "PRIMARY",
        "product_id"
      ],
      "key": "PRIMARY",
      "used_key_parts": [
        "product_id",
        "lang_code"
      ],
      "key_length": "9",
      "rows_examined_per_scan": 12,
      "rows_produced_per_join": 12,
      "filtered": "100.00",
      "index_condition": "((`test2_gaseus`.`cscart_product_descriptions`.`product_id` in (13204,13197,13246,13218,13211,13253,13302,13303,13308,13309,13306,13307)) and (`test2_gaseus`.`cscart_product_descriptions`.`lang_code` = 'en'))",
      "cost_info": {
        "read_cost": "10.93",
        "eval_cost": "1.20",
        "prefix_cost": "12.13",
        "data_read_per_join": "54K"
      },
      "used_columns": [
        "product_id",
        "lang_code",
        "short_description",
        "full_description",
        "meta_keywords",
        "meta_description",
        "search_words",
        "promo_text",
        "unit_name"
      ]
    }
  }
}

Result

product_id	short_description	full_description	meta_keywords	meta_description	search_words	promo_text	unit_name
13197		Automatic switching manifold Vulkan TecLine AM 45/300 K Effect. Complete on stainless steel base plate including: 2× manifold fin regulator HR20 Effect acc. to ISO 7291 (adiabatic compression tested) 1× automatic change-over block, 1× main shut-off valve. 2× contact gauges acc. to DIN EN 837-1 with Reed switch. Inlet pressure max 300 bar, outlet pressure 0–20 bar. Max. flow 170 Nm³/h. Diaphragm: PTFE. Dimensions: 500 × 370 × 230 mm.
13204		Automatic switching manifold Vulkan TecLine AM 45/300 Effect. Complete on stainless steel base plate including: 2× manifold fin regulator HR20 Effect acc. to ISO 7291 (adiabatic compression tested) 1× automatic change-over block, 1× main shut-off valve. Inlet pressure max 300 bar, outlet pressure 0–20 bar. Max. flow 170 Nm³/h. Diaphragm: PTFE. Dimensions: 500 × 370 × 230 mm.
13211		Automatic switching manifold Vulkan TecLine AM 55/300 K Effect. Complete on stainless steel base plate including: 2× manifold fin regulator HR40 Effect acc. to ISO 7291 (adiabatic compression tested) 1× automatic change-over block, 1× main shut-off valve. 2× contact gauges acc. to DIN EN 837-1 with Reed switch. Inlet pressure max 300 bar, outlet pressure 0–28 bar. Max. flow 250 Nm³/h. Diaphragm: Rubber (SS for O₂). Dimensions: 500 × 380 × 230 mm.
13218		Automatic switching manifold Vulkan TecLine AM 55/300 Effect. Complete on stainless steel base plate including: 2× manifold fin regulator HR40 Effect acc. to ISO 7291 (adiabatic compression tested) 1× automatic change-over block, 1× main shut-off valve. Inlet pressure max 300 bar, outlet pressure 0–28 bar. Max. flow 250 Nm³/h. Diaphragm: Rubber (SS for O₂). Dimensions: 500 × 380 × 230 mm.
13246		Automatic switching manifold Vulkan TecLine AM 45/300 KM Effect. Complete on stainless steel base plate including: 2× manifold fin regulator HR20 Effect acc. to ISO 7291 (adiabatic compression tested) 2× solenoid valves 24V AC, normally closed 1× automatic change-over block, 1× main shut-off valve. 2× contact gauges acc. to DIN EN 837-1 with Reed switch. Inlet pressure max 300 bar, outlet pressure 0–20 bar. Max. flow 170 Nm³/h. Diaphragm: Rubber. Dimensions: 720 × 385 × 210 mm.
13253		Automatic switching manifold Vulkan TecLine AM 55/300 KM Effect. Complete on stainless steel base plate including: 2× manifold fin regulator HR40 Effect acc. to ISO 7291 (adiabatic compression tested) 2× solenoid valves 24V AC, normally closed 1× automatic change-over block, 1× main shut-off valve. 2× contact gauges acc. to DIN EN 837-1 with Reed switch. Inlet pressure max 300 bar, outlet pressure 0–40 bar. Max. flow 250 Nm³/h. Diaphragm: Rubber (SS for O₂). Dimensions: 720 × 385 × 210 mm.
13302		Connecting pipe Vareo VB 90° bent, 2 × 150 mm. Copper tube, DN10, PN300. Inlet: M 24×1.5 RH U-nut. Outlet: M 24×1.5 RH U-nut. Manifold station → base station, for cylinders.
13303		Connecting pipe Vareo VB 90° bent Acetylene, 2 × 150 mm. Steel tube, DN10, PN300. Inlet: M 24×1.5 RH U-nut. Outlet: W 21.8×1/14 LH U-nut. Manifold station → base station, for cylinders.
13306		Connecting pipe Vareo VF straight, 400 mm. Copper tube, DN10, PN300. Inlet: M 24×1.5 RH U-nut. Outlet: M 24×1.5 RH U-nut. Between two manifold stations, for cylinders.
13307		Connecting pipe Vareo VF straight Acetylene, 400 mm. Steel tube, DN10, PN26. Inlet: M 24×1.5 RH U-nut. Outlet: M 24×1.5 RH U-nut. Between two manifold stations, for cylinders.
13308		Connecting pipe Vareo VBP 90° bent, 900 × 150 mm. Copper tube, DN10, PN300. Inlet: M 24×1.5 RH U-nut. Outlet: M 24×1.5 RH U-nut. Manifold station → base station, for bundles.
13309		Connecting pipe Vareo VBP 90° bent Acetylene, 900 × 150 mm. Steel tube, DN10, PN300. Inlet: M 24×1.5 RH U-nut. Outlet: M 24×1.5 RH U-nut. Manifold station → base station, for bundles.