UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'clFDXEYT3dxgQA0bppt+zL7cVownVBgFAbgcQFFClPQ=' 
WHERE 
  key_id = '6b6f679017e39cf86518316801f5f7ec5c0213651b3c2fa5001990dd0ff7e188' 
  AND (
    token = 'clFDXEYT3dxgQA0bppt+zL7cVownVBgFAbgcQFFClPQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )