SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    33702, 41294, 1484, 37093, 37096, 386, 
    2292, 3873, 26899, 1584, 2620, 2157, 
    1519, 36762, 33724, 40435, 26895, 856, 
    45357, 23050, 26894, 38797, 23267, 
    47014, 26872, 27039, 26891, 40438, 
    4442, 47567, 37316, 26887
  )

Query time 0.00800

JSON explain

{
  "query_block": {
    "select_id": 1,
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_products",
          "access_type": "range",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "3",
          "used_key_parts": ["product_id"],
          "rows": 32,
          "filtered": 100,
          "index_condition": "cscart_products.product_id in (33702,41294,1484,37093,37096,386,2292,3873,26899,1584,2620,2157,1519,36762,33724,40435,26895,856,45357,23050,26894,38797,23267,47014,26872,27039,26891,40438,4442,47567,37316,26887)"
        }
      }
    ]
  }
}