UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nZZWeu6AnVuKECKojbPNMFVaSXfqGk5f7bSajuDQWfM=' 
WHERE 
  key_id = '28c500bab36bf6548a978710f89a68dc58790c5937af4a52c263c3d42371d225' 
  AND (
    token = 'nZZWeu6AnVuKECKojbPNMFVaSXfqGk5f7bSajuDQWfM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )