UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vNHmODuFKHoIKLgjj+pxge3yeuUVFXj+xXDLZDqL6hA=' 
WHERE 
  key_id = '564934d79aff5f4d4533fc081b246363fc050b0f00a0af6931a0800e0e3ae0c8' 
  AND (
    token = 'vNHmODuFKHoIKLgjj+pxge3yeuUVFXj+xXDLZDqL6hA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )