UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'Wl6cCeHD36v2seTtDWrPUgc2s5IT0NiceNvTB5AQoVY=' 
WHERE 
  key_id = '911c99cb25de09a7488871d86163aa6532805e00b30d3b7f5b8b91cd0f3d5f81' 
  AND (
    token = 'Wl6cCeHD36v2seTtDWrPUgc2s5IT0NiceNvTB5AQoVY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )