UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8BmXU25lPAm+GNrzPsncHedZAt++RkMoUg5B/uDn7ng=' 
WHERE 
  key_id = '40e62f828fb1ba156e8423f05513813954ed326982af419488c1ddae8c5c1127' 
  AND (
    token = '8BmXU25lPAm+GNrzPsncHedZAt++RkMoUg5B/uDn7ng=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )