UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PVJYce4IaHRgVqep3EPESVxd98pGNG8KJPDMtKbjRAA=' 
WHERE 
  key_id = '47d51cf47dd3fb6b1fdeb3648e717eb2c14842421ea4e23d0cb680f80d9343e5' 
  AND (
    token = 'PVJYce4IaHRgVqep3EPESVxd98pGNG8KJPDMtKbjRAA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )