SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    2897, 3187, 33606, 192, 2473, 6197, 6363, 
    4342, 3696, 3189, 6110, 3465, 735, 41945, 
    3186, 298, 41595, 2499, 36574, 2968, 
    31960, 47895, 1375, 27369, 6184, 5656, 
    28441, 5146, 5777, 46138, 47082, 50395
  )

Query time 0.00226

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 (2897,3187,33606,192,2473,6197,6363,4342,3696,3189,6110,3465,735,41945,3186,298,41595,2499,36574,2968,31960,47895,1375,27369,6184,5656,28441,5146,5777,46138,47082,50395)"
        }
      }
    ]
  }
}