UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nyMgh9j4vSGpvC04SQHzkf06kWuYrLOqY0blnx1XVXU=' 
WHERE 
  key_id = 'a97adbf471b138b066f073c149e520ece72ca3e6de495037436a126cd1b3f0c5' 
  AND (
    token = 'nyMgh9j4vSGpvC04SQHzkf06kWuYrLOqY0blnx1XVXU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )