UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'leZtDN3wh2IwxM2f95HJbmaqZCFmjswglzQoHK6ylAA=' 
WHERE 
  key_id = '935280e2cebc1c646c45b8e0b9d7796558e6f017ae4925c8f5a4a7df284199b3' 
  AND (
    token = 'leZtDN3wh2IwxM2f95HJbmaqZCFmjswglzQoHK6ylAA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )