UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DlFET1aWRTsflCQjj0cvRV6HssXPoXFLlTDn+NV3xjc=' 
WHERE 
  key_id = '204c23c517befcb19a7d277b4e2f22732c4b3983aff376ef39e7588af48d6d56' 
  AND (
    token = 'DlFET1aWRTsflCQjj0cvRV6HssXPoXFLlTDn+NV3xjc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )