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 (161, 163, 164) 
  AND cscart_ult_product_descriptions.company_id = 1 
  AND cscart_ult_product_descriptions.lang_code = 'en'

Query time 0.00035

Explain
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE cscart_ult_product_descriptions range PRIMARY,product_id,company_id PRIMARY 13 3 Using index condition

Result

product_id short_description full_description meta_keywords meta_description search_words promo_text
161 <p>The 3.0" Flip-Out Display lets you take and view great pictures from multiple angles. Easily adjust the LCD from 0 to 180 degrees and make any shot possible. Snap a picture over a crowd or get waist-level candids of kids and pets, or spin the display for perfectly framed self-portraits. Choose from 3 shutter options to comfortably snap pics from any position.</p> <p class="product-promo-text"><span class="product-promo-header">FREE US shipping over $100!</span><span class="product-promo-body">Orders within next 2 days will be shipped on Monday</span></p>
163 <p>Capture every moment in true-to-life quality. With the best-in-class resolution of the extra large 20.3 MP APS-C CMOS sensor, shots are rich, deep and exquisitely detailed. For active subjects, stills can be captured beautifully with 7fps Continuous Shot/100ms AF Speed. Then review your shot on the large 3.0&rdquo; AMOLED display&mdash;made for sharper images and glare reduction.</p> <p class="product-promo-text"><span class="product-promo-header">FREE US shipping over $100!</span><span class="product-promo-body">Orders within next 2 days will be shipped on Monday</span></p>
164 <p>When shooting in low light, zooming in on a shot, or when your camera is unsteady, Optical Image Stabilization helps eliminate blurry results. This feature stabilizes your photos by changing their path to the image sensor before they are recorded digitally. Your photos come out sharp and ideally focused.</p> <p class="product-promo-text"><span class="product-promo-header">FREE US shipping over $100!</span><span class="product-promo-body">Orders within next 2 days will be shipped on Monday</span></p>