UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kvTyu+MpLWgImXnpoo9fjf6fDsWyw68WHHEFAdFKshM=' 
WHERE 
  key_id = '7c7764298282a7ad9703a1989a9230a870cac812653de8d402f81a1edf948b89' 
  AND (
    token = 'kvTyu+MpLWgImXnpoo9fjf6fDsWyw68WHHEFAdFKshM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )