SELECT 
  product_descriptions.product_id, 
  product_descriptions.short_description, 
  IF(
    product_descriptions.short_description = '' 
    OR product_descriptions.short_description IS NULL, 
    product_descriptions.full_description, 
    ''
  ) AS full_description 
FROM 
  product_descriptions 
WHERE 
  product_descriptions.product_id IN (
    276551, 279095, 276805, 276567, 276811, 
    276574, 276560, 276580, 276566, 279097, 
    276812, 276815
  ) 
  AND product_descriptions.lang_code = 'en'

Query time 0.00083

JSON explain

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      "query_cost": "10.18"
    },
    "table": {
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      "access_type": "range",
      "possible_keys": [
        "PRIMARY",
        "product_id"
      ],
      "key": "PRIMARY",
      "used_key_parts": [
        "product_id",
        "lang_code"
      ],
      "key_length": "11",
      "rows_examined_per_scan": 12,
      "rows_produced_per_join": 12,
      "filtered": "100.00",
      "cost_info": {
        "read_cost": "8.98",
        "eval_cost": "1.20",
        "prefix_cost": "10.18",
        "data_read_per_join": "61K"
      },
      "used_columns": [
        "product_id",
        "lang_code",
        "short_description",
        "full_description"
      ],
      "attached_condition": "((`goimagine`.`product_descriptions`.`product_id` in (276551,279095,276805,276567,276811,276574,276560,276580,276566,279097,276812,276815)) and (`goimagine`.`product_descriptions`.`lang_code` = 'en'))"
    }
  }
}

Result

product_id short_description full_description
276551 <p>Handmade cabochon or focal piece. Made from a chipped vintage plate, this unique focal will give your wire wrap or hot metal work projects an interesting flair. You could even incorporate this focal into your next macrame project.</p> <p>This piece is taken partially from the edge of the plate, it doesn't lay perfectly flat and has some pretty raised details included.</p> <p>Size is 53 x 35mm&nbsp;</p>
276560 <p>Handmade cabochon or focal piece. Made from a chipped vintage plate, this unique focal will give your wire wrap or hot metal work projects an interesting flair. You could even incorporate this focal into your next macrame project.</p> <p>This piece is slightly curved as it's from the edging of the plate. The surface is smooth, and I've formed it into a cute moon shape</p> <p>Size is 63 x 18 mm&nbsp;</p>
276566 <p>Handmade cabochon or focal piece. Made from a chipped vintage plate, this unique focal will give your wire wrap or hot metal work projects an interesting flair. You could even incorporate this focal into your next macrame project.</p> <p>This piece is mostly flat and features close ups of green and pink flowers, cut into a crescent moon shape.</p> <p>Size is 60 x 16mm&nbsp;</p>
276567 <p>Handmade cabochon or focal piece. Made from a chipped vintage plate, this unique focal will give your wire wrap or hot metal work projects an interesting flair. You could even incorporate this focal into your next macrame project.</p> <p>This piece is mostly flat.</p> <p>Size is 43 x 36mm&nbsp;</p>
276574 <p>Handmade cabochon or focal piece. Made from a chipped vintage plate, this unique focal will give your wire wrap or hot metal work projects an interesting flair. You could even incorporate this focal into your next macrame project.</p> <p>This piece is mostly flat</p> <p>Size is 54 x 45mm&nbsp;</p>
276580 <p>Handmade cabochon or focal piece. Made from a chipped vintage plate, this unique focal will give your wire wrap or hot metal work projects an interesting flair. You could even incorporate this focal into your next macrame project.</p> <p>This piece is mostly flat with a cute windmill motif.</p> <p>Size is 46 x 28mm&nbsp;</p>
276805 <p>Handmade cabochon or focal piece. Made from a chipped vintage plate, this unique focal will give your wire wrap or hot metal work projects an interesting flair. You could even incorporate this focal into your next macrame project.</p> <p>This piece lays mostly flat with some neat texture on it. This is a heavy ceramic piece.</p> <p>Size is 43 x 42mm&nbsp;</p>
276811 <p>Handmade cabochon or focal piece. Made from a chipped vintage plate, this unique focal will give your wire wrap or hot metal work projects an interesting flair. You could even incorporate this focal into your next macrame project.</p> <p>This piece has a slight curve to it but lays mostly flat. The surface is smooth, and I've formed it into a cute moon shape</p> <p>Size is 58 x 18 mm&nbsp;</p>
276812 <p>Handmade cabochon or focal piece. Made from a chipped vintage plate, this unique focal will give your wire wrap or hot metal work projects an interesting flair. You could even incorporate this focal into your next macrame project.</p> <p>This piece is mostly flat</p> <p>Size is 25 x 25mm&nbsp;</p>
276815 <p>Handmade cabochon or focal piece. Made from a chipped vintage plate, this unique focal will give your wire wrap or hot metal work projects an interesting flair. You could even incorporate this focal into your next macrame project.</p> <p>This piece is taken partially from the edge of the plate, it doesn't lay perfectly flat and has some pretty raised details included.</p> <p>Size is 48 x 35mm&nbsp;</p>
279095 <p>Handmade cabochon or focal piece. Made from a chipped vintage plate, this unique focal will give your wire wrap or hot metal work projects an interesting flair. You could even incorporate this focal into your next macrame project.</p> <p>This piece is taken partially from the edge of the plate, it doesn't lay perfectly flat, but pretty close.</p> <p>Size is 36 x 27mm&nbsp;</p>
279097 <p>Handmade cabochon or focal piece. Made from a chipped vintage plate, this unique focal will give your wire wrap or hot metal work projects an interesting flair. You could even incorporate this focal into your next macrame project.</p> <p>This piece has a bit of a curve to it and doesn't lie flat.</p> <p>Size is 26 x 53mm&nbsp;</p>