Sandbox

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 (322) 
  AND cscart_ult_product_descriptions.company_id = 1 
  AND cscart_ult_product_descriptions.lang_code = 'en'

Query time 0.00019

JSON explain

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  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "cscart_ult_product_descriptions",
      "access_type": "const",
      "possible_keys": ["PRIMARY", "product_id", "company_id"],
      "key": "PRIMARY",
      "key_length": "13",
      "used_key_parts": ["product_id", "lang_code", "company_id"],
      "ref": ["const", "const", "const"],
      "rows": 1,
      "filtered": 100
    }
  }
}

Result

product_id	short_description	full_description	meta_keywords	meta_description	search_words	promo_text
322		<br> <div style="font-size:14px;font-weight:bold;">Markins PC-14 is an Arca-Swiss compatible style dovetail plate for Canon EF 100-400mm f/4.5-5.6L IS II USM lens. </div> <p></p> <div id="separate_dot_bar"></div> <br> <ul style="margin-left:0px;line-height:18px;"> <li>Compatible with any Arca-Swiss type</li> <li>Anti-twist flange style</li> <li>Scratch resistant hard-anodized surface</li> <li>Safe and ergonomically rounded corners and edges</li> </ul> <div style="font-size:16px; border-bottom:dotted 1px #666666;margin:60px 0 20px 0;padding-bottom:8px;">Specification</div> <table width="100%" cellpadding="5" cellspacing="1" bgcolor="#424242" style="font-size: 10pt; color:#424242;"> <tr> <th width="20%" bgcolor="#FFFFFF">Code</th> <td bgcolor="#FFFFFF">PC14</td> </tr> <tr> <th bgcolor="#FFFFFF">Weight</th> <td bgcolor="#FFFFFF">1.16 oz (33 g)</td> </tr> <tr> <th bgcolor="#FFFFFF" >Material</th> <td bgcolor="#FFFFFF">A6061-T6</td> </tr> <tr> <th nowrap bgcolor="#FFFFFF">Size</th> <td bgcolor="#FFFFFF">2.4x1.5x0.4 in (60×38×10 mm)</td> </tr> <tr> <th nowrap bgcolor="#FFFFFF">Fit</th> <td bgcolor="#FFFFFF">Canon EF 100-400mm f/4.5-5.6L IS II USM</td> </tr> <tr> <th nowrap="nowrap" bgcolor="#FFFFFF">Mounting Bolt</th> <td bgcolor="#FFFFFF">1/4"-20 UNC Bolt <a href="/accessory/hb1/">HB1</a> <br /> * Requires 4mm (5/32") hex <a href="/accessory/tllw1/">L-wrench</a></td> </tr> <tr> <th nowrap="nowrap" bgcolor="#FFFFFF">Monopod Hole</th> <td bgcolor="#FFFFFF">1/4"-20 UNC</td> </tr> </table> <div style="height:50px;"></div> <center><img src="/html/items/lensplate/pc14_20.jpg"></center> <br> <br> <br>	Camera, Tripod, Head, Quick, Shoe, Clamp, Plate, Foot, Arca-Swiss, rrs, kirk, foba	Markins PC-14 is an Arca-Swiss compatible style dovetail plate for Canon EF 100-400mm f/4.5-5.6L IS II USM lens.