UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z6DJbxvx2DhS3ijr2QY4aGr9isx2kF/oZqxutBddk94=' 
WHERE 
  key_id = '818337a3ecf8e9c99bd0442a75548892b73c47214f2f6897280253b106d0ded2' 
  AND (
    token = 'Z6DJbxvx2DhS3ijr2QY4aGr9isx2kF/oZqxutBddk94=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )