UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EehFkD3AvYHgW+8W/sWxkSwfM+JZbbrRxWL/CRYjhH0=' 
WHERE 
  key_id = '91d9ba925975bb3a07b3d01d359ee4869a10d5480eb286e18d3d0ab3b2613e97' 
  AND (
    token = 'EehFkD3AvYHgW+8W/sWxkSwfM+JZbbrRxWL/CRYjhH0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )