UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Tv50hjBOvGhg4+xU6SAcEvQhfiQqO+q5xcEDljSPhMU=' 
WHERE 
  key_id = '7b9db09adb90e5ab300163f05e7065bcc780e28e97a1f241c8884158ee6437d3' 
  AND (
    token = 'Tv50hjBOvGhg4+xU6SAcEvQhfiQqO+q5xcEDljSPhMU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )