UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pIzepkbPM61VbUJAjspSyZMdfucS64aztTDS7ZPkEAk=' 
WHERE 
  key_id = '3847b8638e0f39bd4df2d4091ef204ee6173eb35b6ba79397f3ac6d2c60114e1' 
  AND (
    token = 'pIzepkbPM61VbUJAjspSyZMdfucS64aztTDS7ZPkEAk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )