SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    135, 205, 129, 127, 131, 121, 103, 33, 
    32, 182, 246, 208
  )

Query time 0.00048

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "cscart_products",
      "access_type": "range",
      "possible_keys": ["PRIMARY"],
      "key": "PRIMARY",
      "key_length": "3",
      "used_key_parts": ["product_id"],
      "rows": 12,
      "filtered": 100,
      "index_condition": "cscart_products.product_id in (135,205,129,127,131,121,103,33,32,182,246,208)"
    }
  }
}

Result

product_id product_code product_type status company_id list_price amount weight length width height shipping_freight low_avail_limit timestamp updated_timestamp usergroup_ids is_edp edp_shipping unlimited_download tracking free_shipping zero_price_action is_pbp is_op is_oper is_returnable return_period avail_since out_of_stock_actions localization min_qty max_qty qty_step list_qty_count tax_ids age_verification age_limit options_type exceptions_type details_layout shipping_params parent_product_id addon_ship_start_date
32 T0032Q3082 P A 1 0.00 23 0.000 0 0 0 0.00 0 1328558400 1328684302 0 N N N N Y N N Y 10 0 N N 0 default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 0
33 W00336L5NA P A 1 0.00 19 0.000 0 0 0 0.00 0 1328558400 1328684302 0 N N N N Y N N Y 10 0 N N 0 default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 0
103 S0103G26P3 P A 1 0.00 20 0.000 0 0 0 0.00 0 1328644800 1328687966 0 N N N N Y N N Y 10 0 N N 0 default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 0
121 L012149RZH P A 1 0.00 20 0.000 0 0 0 0.00 0 1328644800 1328690204 0 N N N N Y N N Y 10 0 N N 0 default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 0
127 A0127P1V0T P A 1 0.00 10 0.000 0 0 0 0.00 0 1328644800 1328690720 0 N N N N Y N N Y 10 0 N N 0 default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 0
129 O0129GKRU9 P A 1 0.00 10 0.000 0 0 0 0.00 0 1328644800 1328691025 0 N N N N Y N N Y 10 0 N N 0 default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 0
131 I0131TAKCI P A 1 0.00 10 0.000 0 0 0 0.00 0 1328644800 1328691363 0 N N N N Y N N Y 10 0 N N 0 default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 0
135 B0135ZGE8V P A 1 0.00 10 0.000 0 0 0 0.00 0 1328644800 1328692319 0 N N N N Y N N Y 10 0 N N 0 default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 0
182 N0182YV5QV P A 1 0.00 30 0.000 0 0 0 0.00 0 1328644800 1328701354 0 N N N N Y N N Y 10 0 N N 0 default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 0
205 Y0205HGGEI P A 1 0.00 35 0.000 0 0 0 0.00 0 1328731200 1328792701 0 N N N N Y N N Y 10 0 N N 0 default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 0
208 F0208V084C P A 1 0.00 20 0.000 0 0 0 0.00 0 1328731200 1328792728 0 N N N N Y N N Y 10 0 N N 0 default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 0
246 B00F3F0GLU P A 1 0.00 1 0.000 0 0 0 0.00 0 1383854400 1384348113 0 N N N N Y N N Y 10 0 N N 0 default a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0 0