SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    187, 312419, 312881, 436374, 441927, 
    437733, 433372, 429338, 404315, 403114, 
    434319, 455492, 457298, 426898, 435154, 
    454872, 429201, 431252, 460123, 456772, 
    447624, 418357, 417083, 423074, 422315, 
    445550, 413493, 406571, 419858, 437062, 
    428608, 440002, 420919, 454421, 413105, 
    439177, 437268, 450216, 405994, 437380, 
    438012, 406160, 440620, 447721, 416159, 
    420047, 413235, 424041
  )

Query time 0.00130

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost": 0.08425304,
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_products",
          "access_type": "range",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "3",
          "used_key_parts": ["product_id"],
          "loops": 1,
          "rows": 48,
          "cost": 0.08425304,
          "filtered": 100,
          "attached_condition": "cscart_products.product_id in (187,312419,312881,436374,441927,437733,433372,429338,404315,403114,434319,455492,457298,426898,435154,454872,429201,431252,460123,456772,447624,418357,417083,423074,422315,445550,413493,406571,419858,437062,428608,440002,420919,454421,413105,439177,437268,450216,405994,437380,438012,406160,440620,447721,416159,420047,413235,424041)"
        }
      }
    ]
  }
}