UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NklqQReqPpeAosAS/K+8J8xz+PBL8AnaTQ4N2ptXipQ=' 
WHERE 
  key_id = '39e9301f783b9c6aab8727e298055a7417e76539a3314707136afc2e7cedd597' 
  AND (
    token = 'NklqQReqPpeAosAS/K+8J8xz+PBL8AnaTQ4N2ptXipQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )