SELECT 
  cscart_products.*, 
  cscart_products.ebay_status, 
  cscart_products.ebay_template_id 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    17577, 17578, 17579, 17580, 17581, 17582, 
    17583, 17584, 17585, 17586, 17587, 
    17588, 17589, 17590, 17591, 17592
  )

Query time 0.00041

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": 16,
      "filtered": 100,
      "index_condition": "cscart_products.product_id in (17577,17578,17579,17580,17581,17582,17583,17584,17585,17586,17587,17588,17589,17590,17591,17592)"
    }
  }
}