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 (4, 1, 341, 346, 351, 8, 9, 10) 
  AND cscart_ult_product_descriptions.company_id = 1 
  AND cscart_ult_product_descriptions.lang_code = 'en'

Query time 0.00034

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 8 Using index condition

Result

product_id short_description full_description meta_keywords meta_description search_words promo_text
4 <p>Clear Motion Rate (CMR) is Samsung's more comprehensive and accurate measure for how well an LCD or LED TV can display fast-moving images. Previously, motion clarity was expressed simply by the refresh rate, measured in Hz. CMR, however, takes into account all three factors that contribute to motion clarity: panel refresh rate, image processor speed and backlight technology.</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>
8 <p> Although its attractive features, design, and passive 3D have merit, the picture quality issues of the Toshiba TL515U LED-based LCD TV lessen its appeal in the face of the stiff competition.</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>
9 <p>Although its attractive features, design, and passive 3D have merit, the picture quality issues of the Toshiba TL515U LED-based LCD TV lessen its appeal in the face of the stiff competition.</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>
10 <p>Although its attractive features, design, and passive 3D have merit, the picture quality issues of the Toshiba TL515U LED-based LCD TV lessen its appeal in the face of the stiff competition.</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>