SELECT 
  cscart_product_descriptions.product_id, 
  cscart_product_descriptions.short_description, 
  IF(
    cscart_product_descriptions.short_description = '' 
    OR cscart_product_descriptions.short_description IS NULL, 
    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, 
  cscart_product_descriptions.unit_name 
FROM 
  cscart_product_descriptions 
WHERE 
  cscart_product_descriptions.product_id IN (107, 109, 91, 92, 102) 
  AND cscart_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_product_descriptions range PRIMARY,product_id PRIMARY 9 5 Using index condition

Result

product_id short_description full_description meta_keywords meta_description search_words promo_text unit_name
91 <p>43 mm watch with stainless steel case, Montblanc Calibre MB R200, monopusher chronograph with automatic winding, anthracite-coloured dial with applique hour circle, date display, second time zone with day/night display, chronograph counters with rotating discs.</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>
92 <p>42 mm stainless steel watch with black dial, red-gold plated hands and numerals, automatic movement, date display, black alligator-skin strap</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>
102 <p>Unrivaled best seller that is true to its name, the PR 100 is certainly precise and hugely popular.<br /> <br /> A combination of tradition with up-to-the-minute looks using quality materials on the outside and Swiss reliability on the inside. This ironic watch family offers lady and gent sizes to prevent any rivalry, although as far as style is concerned, the race is on! The Swiss made quartz ETA movement has battery end-of-life indicator, a scratch resistant sapphire crystal and date indicator. Features include a stainless steel bracelet, a magnificent white dial, and water resistance up to 100 meters.</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>
107 <p>Platinum-plated money clip with black onyx inlay</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>
109 <p>Stainless steel key ring with brown calf leather</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>