UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PttQUh2/GrKHMgoD+zqUgpcmNXRBME8Sq/LX46zdwJI=' 
WHERE 
  key_id = '4911fb37e903e096ad1ac4a9dd7c82c2b728ad9776ec130eb8e657c81f801da3' 
  AND (
    token = 'PttQUh2/GrKHMgoD+zqUgpcmNXRBME8Sq/LX46zdwJI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )