UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eNQ93Ux04dYzQCfIQm4WbdtEp7JN0IocYO3AIKv7Yuo=' 
WHERE 
  key_id = 'fde7ca631c2b3b3b65ed3f4bdc508503cc95a346a5eb5d01b297826d808a0937' 
  AND (
    token = 'eNQ93Ux04dYzQCfIQm4WbdtEp7JN0IocYO3AIKv7Yuo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )