UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L3q+RAACdOO99PXPcSz1SDNrlngdfww7i/gYI9/UDic=' 
WHERE 
  key_id = '4c2a892471a57d61350b0043c3a0258f7fbb3850761a7060c54dec01e1691360' 
  AND (
    token = 'L3q+RAACdOO99PXPcSz1SDNrlngdfww7i/gYI9/UDic=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )