UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'deCykasiaZm9TuSvaor84JeESKqe+km5pySgGHXWx1k=' 
WHERE 
  key_id = '1acf4f09aa4e7322cd312ae0a7eaec1ecb464b5a3e652a9684c01f037e978c16' 
  AND (
    token = 'deCykasiaZm9TuSvaor84JeESKqe+km5pySgGHXWx1k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )