UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pUxJ0u6JsAW2umewWAvtJ0lSmGHdpNPHKrIelGJz0xc=' 
WHERE 
  key_id = '4e6e7633b67d447107ea77d620068525f74f51e5965451f1a260bf4bbecd8125' 
  AND (
    token = 'pUxJ0u6JsAW2umewWAvtJ0lSmGHdpNPHKrIelGJz0xc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )