Sandbox

SELECT 
  cscart_product_descriptions.product_id, 
  cscart_product_descriptions.short_description, 
  IF(
    cscart_product_descriptions.short_description = '', 
    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 
FROM 
  cscart_product_descriptions 
WHERE 
  cscart_product_descriptions.product_id IN (
    939, 937, 938, 940, 946, 936, 947, 942, 
    951, 941, 945, 944, 948, 952
  ) 
  AND cscart_product_descriptions.lang_code = 'en'

Query time 0.00028

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": 14,
      "filtered": 100,
      "index_condition": "cscart_product_descriptions.product_id in (939,937,938,940,946,936,947,942,951,941,945,944,948,952)",
      "attached_condition": "cscart_product_descriptions.lang_code = 'en'"
    }
  }
}

Result

product_id	short_description	full_description	search_words
936	<ul><li>HD VIDEO RECORDING</li><li>4 HD CHANNELS + 1 IP CHANNEL</li><li>H.265 VIDEO COMPRESSION</li><li>DUAL SD CARD SLOTS - UP TO 512 GB EACH (1 TB TOTAL)</li><li>MIRROR RECORDING OPTIONAL ON SECONDARY SD CARD</li><li>8 CUSTOMIZABLE SENSOR INPUTS</li><li>INTEGRATED GPS</li><li>BUILT-IN G-FORCE SENSOR</li><li>WIFI AND CELL NETWORKING</li></ul><p><br></p><p><br></p>		SVR-4401, SVR4401, SVR-4401-1C, 4401-HVR-128KIT, school bus camera, school bus cameras, school bus camera system, school bus video recorder, school bus recorder system, bus camera system
937	<ul><li>HD VIDEO RECORDING</li><li>4 HD CHANNELS + 1 IP CHANNEL</li><li>H.265 VIDEO COMPRESSION</li><li>DUAL SD CARD SLOTS - UP TO 512 GB EACH (1 TB TOTAL)</li><li>MIRROR RECORDING OPTIONAL ON SECONDARY SD CARD</li><li>8 CUSTOMIZABLE SENSOR INPUTS</li><li>INTEGRATED GPS</li><li>BUILT-IN G-FORCE SENSOR</li><li>WIFI AND CELL NETWORKING</li></ul>		school bus cameras, school bus camera system, bus recorder, school bus recorder, school bus recorder system
938	<ul><li>HD VIDEO RECORDING</li><li>4 HD CHANNELS + 1 IP CHANNEL</li><li>H.265 VIDEO COMPRESSION</li><li>DUAL SD CARD SLOTS - UP TO 512 GB EACH (1 TB TOTAL)</li><li>MIRROR RECORDING OPTIONAL ON SECONDARY SD CARD</li><li>8 CUSTOMIZABLE SENSOR INPUTS</li><li>INTEGRATED GPS</li><li>BUILT-IN G-FORCE SENSOR</li><li>WIFI AND CELL NETWORKING</li></ul>		school bus camera system, school bus cameras, bus camera kit, bus recorder system, school bus recorder system, 4401-HVR-256KIT
939	<ul><li>HD VIDEO RECORDING</li><li>4 HD CHANNELS + 1 IP CHANNEL</li><li>H.265 VIDEO COMPRESSION</li><li>DUAL SD CARD SLOTS - UP TO 512 GB EACH (1 TB TOTAL)</li><li>MIRROR RECORDING OPTIONAL ON SECONDARY SD CARD</li><li>8 CUSTOMIZABLE SENSOR INPUTS</li><li>INTEGRATED GPS</li><li>BUILT-IN G-FORCE SENSOR</li><li>WIFI AND CELL NETWORKING</li></ul>		school bus camera system, school bus camera, school bus cameras, school bus video recorder, school bus video camera, 4401-HVR-256KIT, 4401-HVR-512KIT
940	<ul><li>HD VIDEO RECORDING</li><li>4 HD CHANNELS + 1 IP CHANNEL</li><li>H.265 VIDEO COMPRESSION</li><li>DUAL SD CARD SLOTS - UP TO 512 GB EACH (1 TB TOTAL)</li><li>MIRROR RECORDING OPTIONAL ON SECONDARY SD CARD</li><li>8 CUSTOMIZABLE SENSOR INPUTS</li><li>INTEGRATED GPS</li><li>BUILT-IN G-FORCE SENSOR</li><li>WIFI AND CELL NETWORKING</li></ul>
941		<p> <span style="line-height: 18px;">Spare 32GB SD card pre-configured for recording. 3 year warranty.</span></p> <p> Compatible with FC-ADAPTERDUAL.</p>
942		<p> GPS Antenna option w/cable - records bus speed and provides map data during video playback. 3 year warranty.</p> <p> Compatible with the SVR-4100 and SVR-4108 DVR Systems.</p>
944		<p> Impact sensor (triggers recording automatically). 3 year warranty.</p> <p>  </p>
945		<p> USB 2.0 dual SD card reader. Required to view video recorded onto the SD-32G. 3 year warranty.</p>
946		<p> Interior high resolution day/night color dome camera with built in audio and IR illumination - available lens sizes 3, 4 & 6mm. 3 year warranty</p>
947		<p> Interior high resolution wedge day/night color camera with built in audio and IR illumination - available lens sizes 3, 4 & 6mm. 3 year warranty</p>
948		<p> Exterior high resolution wedge camera with built in audio and IR illumination - available lens sizes 3, 4 & 6mm. 3 year warranty</p>
951	<ul><li>5G IMPACT RATING</li><li>IP54 RATING ENSURES RESISTANCE AGAINST DUST AND LIQUID</li><li>INTEGRATED CONTROL BOX ENSURES CLEAN AND EASY INSTALLATION</li><li>PARKING DISTANCE GRID LINES HELP GUIDE BACKING MANEUVERS</li><li>ONE SENSOR AUTOMATICALLY TRIGGERS THE DISPLAY OF YOUR MOST CRITICAL BLIND SPOT</li><li>DISPLAY RESOLUTION: 480 X 234</li><li>THE 70RP MONITOR SUPPORTS ONLY 1 CAMERA</li><li>COMPATIBLE WITH VARIOUS TYPES OF CAMERAS - 630A, 622 SERIES, SV-EXTCAM, 690H.</li></ul>		backup camera system, back up camera system, back-up camera system, back-up camera
952		<p> System Status Display/Event Button Module & Cable</p> <p> Compatible with the SVR-4100 and SVR-4108 DVR Systems.</p>