UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MWyNQLoRs46Pk0F0BguIPNzx/6sBZ1ui43K43YHYh3A=' 
WHERE 
  key_id = '961382574ed388b74c1d4796513d3017b01bb5be99f10495e122bc0c37848290' 
  AND (
    token = 'MWyNQLoRs46Pk0F0BguIPNzx/6sBZ1ui43K43YHYh3A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )