UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zy4YhkhZBYNfldrvoqRExYq6aTt0RsVGInCcd38st2g=' 
WHERE 
  key_id = '846539becc652d82da0bc1dd6462d73adb1403f774e23c4b63e5096e7380d6e7' 
  AND (
    token = 'Zy4YhkhZBYNfldrvoqRExYq6aTt0RsVGInCcd38st2g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )