UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YvBL5b8kq/TTB5mBYB63KdGtPDFnKBc7J+0CFKaN99k=' 
WHERE 
  key_id = '50d4b8ce77c2b7f086938f7be18da1c8c2223d0f4fdd48f0d24646053c29fde7' 
  AND (
    token = 'YvBL5b8kq/TTB5mBYB63KdGtPDFnKBc7J+0CFKaN99k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )