UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gi/KMyaIsJNRofM9gBfQv7ndCxTCWv2fy+IVp6kGFhM=' 
WHERE 
  key_id = '56a3347ee8afe69e168cd4e89f263f6e38869e383b89ef72e652dda6d775b221' 
  AND (
    token = 'gi/KMyaIsJNRofM9gBfQv7ndCxTCWv2fy+IVp6kGFhM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )