UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GenUTBFirR04VZ6Rr49txs8Ui1+CnVDaRbSLz6V2Gk0=' 
WHERE 
  key_id = 'e546e89abe447081c7f2f0b38024384805eddf1e5cee97495d70fb9713019a4c' 
  AND (
    token = 'GenUTBFirR04VZ6Rr49txs8Ui1+CnVDaRbSLz6V2Gk0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )