UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2GiNxxmMdiob9WARCquoFuB8mlDtbg5C6amBvmTs8aQ=' 
WHERE 
  key_id = 'ee4ce170e14f6bf246bd524997028f614e8db1a6e738aae6a3b91ad274890444' 
  AND (
    token = '2GiNxxmMdiob9WARCquoFuB8mlDtbg5C6amBvmTs8aQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )