UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XXZM32lfO3eQVzestF/wO0iQ7DKOZ/zazBYk99q39RI=' 
WHERE 
  key_id = '6c49857dd4c5cf1e75fe367397128acde4906dedad6cf1602da28b53a56e6665' 
  AND (
    token = 'XXZM32lfO3eQVzestF/wO0iQ7DKOZ/zazBYk99q39RI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )