UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'azo6adDGIsczv75wSCWsOZTbHGXfQpwqMMfziabTmzQ=' 
WHERE 
  key_id = '4f183a0a99b8c60533ee6cff85069867c2130fcaf0645f1956f4d7803c8da7c2' 
  AND (
    token = 'azo6adDGIsczv75wSCWsOZTbHGXfQpwqMMfziabTmzQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )