UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3KjWudv2ne3Ql974XMTqhBgKZgIsXB73AKdrHFn3vfw=' 
WHERE 
  key_id = '8ca0bf4fe68581647aee5e8de8fc39c984f5cab93e7642e7e361b09e485dced2' 
  AND (
    token = '3KjWudv2ne3Ql974XMTqhBgKZgIsXB73AKdrHFn3vfw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )