SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    23169, 53, 4279, 47652, 461, 2149, 29697, 
    5812, 5999, 19210, 31894, 31893, 31895, 
    4826, 41016, 2159, 2162, 46696, 31871, 
    2152, 1847, 1851, 2148, 1840, 19207, 
    4812, 1852, 44923, 71, 47610, 1841, 
    41410
  )

Query time 0.00198

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 (23169,53,4279,47652,461,2149,29697,5812,5999,19210,31894,31893,31895,4826,41016,2159,2162,46696,31871,2152,1847,1851,2148,1840,19207,4812,1852,44923,71,47610,1841,41410)"
        }
      }
    ]
  }
}