UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZEPSBdbs8UJHtWJFj5ZBI2Ij7jZDdeCxv8J9FIG9+D0=' 
WHERE 
  key_id = '91f602b0a3acba052bee839aae46cd127310735ed720b6bd617c70b6b3be633b' 
  AND (
    token = 'ZEPSBdbs8UJHtWJFj5ZBI2Ij7jZDdeCxv8J9FIG9+D0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )