UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lxc/af7HsPmNcJaHGzY89N432KXeoZ7icPj65FzipFc=' 
WHERE 
  key_id = 'eadc22679260f7381b8286ff08739d0de8eedb6ad30b6532801cf5804bd91323' 
  AND (
    token = 'Lxc/af7HsPmNcJaHGzY89N432KXeoZ7icPj65FzipFc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )