UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RGDPwTaAOInevQX+vFx/2YEgWpVl5rGE6UTVvpg0KgM=' 
WHERE 
  key_id = '39d2bf1c09deeba09e36d7e40cee6ff1c53e9d424f2359a2569c8b2a8be3ddf1' 
  AND (
    token = 'RGDPwTaAOInevQX+vFx/2YEgWpVl5rGE6UTVvpg0KgM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )