UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yILmn4ho10qeiDsEUrrPn84gGLudpgOuB7guF+nx7DE=' 
WHERE 
  key_id = '49b8730e81c4269e4ca60f9ed17b7fa02a170e451da52529c7fc3d6573f3c84e' 
  AND (
    token = 'yILmn4ho10qeiDsEUrrPn84gGLudpgOuB7guF+nx7DE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )