UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QMOuzzWCW/YUj8d59C2DomOEX8XBrcfYPueVmEQkoS0=' 
WHERE 
  key_id = '31c9fb9039f8e663c3b4af407b786b08bfb5a639bb846d4bb24ad869a95e3321' 
  AND (
    token = 'QMOuzzWCW/YUj8d59C2DomOEX8XBrcfYPueVmEQkoS0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )