UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ou+SrUPdnnwbnyoyx1Bb8pmdvxhXQK6opWGn+v+/65c=' 
WHERE 
  key_id = 'ee55d1e429dc400ee744eeac8ced5c25b5ccfa11c7644b51d9003c51edbb571d' 
  AND (
    token = 'Ou+SrUPdnnwbnyoyx1Bb8pmdvxhXQK6opWGn+v+/65c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )