UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bG4Rg1pave+cX9+WlNFsrUf2yar1xGPWK7TwWu4Aum0=' 
WHERE 
  key_id = 'd43190168e5437dc744fd6a746346acabca94d008598aa621e5c08d7aa4c4e68' 
  AND (
    token = 'bG4Rg1pave+cX9+WlNFsrUf2yar1xGPWK7TwWu4Aum0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )