SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    22106, 22102, 22103, 22107, 22104, 22108, 
    22105, 22109, 23515, 22351, 22508, 
    22352, 22509, 22353, 22841, 22354, 
    22510, 22355, 22553, 22356, 19966, 
    21965, 19971, 21966
  )

Query time 0.00102

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": 24,
          "filtered": 100,
          "index_condition": "cscart_products.product_id in (22106,22102,22103,22107,22104,22108,22105,22109,23515,22351,22508,22352,22509,22353,22841,22354,22510,22355,22553,22356,19966,21965,19971,21966)"
        }
      }
    ]
  }
}