SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    3519, 6274, 22263, 1267, 35730, 48069, 
    1977, 3578, 2291, 5783, 31911, 2288, 
    40382, 118, 1982, 18264, 37315, 45446, 
    44423, 397, 47163, 1323, 3579, 47162, 
    34669, 40444, 387, 31627, 40436, 31910, 
    5992, 47184
  )

Query time 0.00296

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 (3519,6274,22263,1267,35730,48069,1977,3578,2291,5783,31911,2288,40382,118,1982,18264,37315,45446,44423,397,47163,1323,3579,47162,34669,40444,387,31627,40436,31910,5992,47184)"
        }
      }
    ]
  }
}