UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kg24OB77aiZ+U3133G2FGLliJBELBMtKwigRH27WtMc=' 
WHERE 
  key_id = '81ef87af7f439e67128eb197bd65d0b356066d25d62ea2452d5baca981e28c51' 
  AND (
    token = 'Kg24OB77aiZ+U3133G2FGLliJBELBMtKwigRH27WtMc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )