SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    63103, 62334, 62341, 61301, 62339, 63237, 
    62333, 64152, 63240, 63758, 64150, 
    65077, 65078, 65088, 65081, 62577, 
    65085, 63091, 65089, 65083, 65086, 
    65084, 65079, 65080
  )

Query time 0.00097

JSON explain

{
  "query_block": {
    "select_id": 1,
    "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,
      "attached_condition": "cscart_products.product_id in (63103,62334,62341,61301,62339,63237,62333,64152,63240,63758,64150,65077,65078,65088,65081,62577,65085,63091,65089,65083,65086,65084,65079,65080)"
    }
  }
}

Result