UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WPkQTr+/IYeu9OSuFnoGGAu0BgRyl5gfB4N3NatYlD8=' 
WHERE 
  key_id = '50acb9fd8bebaa43073a2122a5cdf0fc110457f3dfb293322eea4e6420eaf492' 
  AND (
    token = 'WPkQTr+/IYeu9OSuFnoGGAu0BgRyl5gfB4N3NatYlD8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )