UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AyAYlU7Wjz8HiRzu1brXTXLPShaqVRd6MCPaxeGNYgM=' 
WHERE 
  key_id = 'dcda693ff9e00f1ac7bd89034ae5e9acf825cfd597924b5e4d346b9d887f257c' 
  AND (
    token = 'AyAYlU7Wjz8HiRzu1brXTXLPShaqVRd6MCPaxeGNYgM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )