UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'j0Az3RupedGaWlCx1y/iIY1kK2peuELr6pfFe+OVuQw=' 
WHERE 
  key_id = '47a70d5501b8a64cfa3116ff503e8fd9a59d8ca6825ce70ef2fd02581f4fb049' 
  AND (
    token = 'j0Az3RupedGaWlCx1y/iIY1kK2peuELr6pfFe+OVuQw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )