UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4lzj4TE2ObZf2ksRdoEqm2dTv5oufsH0K1pMhIgMIIQ=' 
WHERE 
  key_id = '82be59e2897c352d1067c5a8baa75df629705e3510320d353030ad3f9b788191' 
  AND (
    token = '4lzj4TE2ObZf2ksRdoEqm2dTv5oufsH0K1pMhIgMIIQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )