SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    46272, 37413, 36765, 40367, 47967, 47594, 
    35486, 828, 37420, 33281, 35642, 33360, 
    27923, 32435, 32404, 32327, 32324, 
    33198, 826, 31865, 40928, 47280, 27934, 
    40365, 35655, 46271, 31735, 32307, 
    816, 29816, 45361, 35652
  )

Query time 0.00158

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 (46272,37413,36765,40367,47967,47594,35486,828,37420,33281,35642,33360,27923,32435,32404,32327,32324,33198,826,31865,40928,47280,27934,40365,35655,46271,31735,32307,816,29816,45361,35652)"
        }
      }
    ]
  }
}