UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pov0i5CHLFTi44QdHdMa8kA+lfnFqDzKpTi2IsiAaiw=' 
WHERE 
  key_id = '8adcd938284db37cfdb4e113eee17542449e396af6a04773f2cfb84cbf72cad1' 
  AND (
    token = 'pov0i5CHLFTi44QdHdMa8kA+lfnFqDzKpTi2IsiAaiw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )