UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wlTwjAbCExccoMNylSXI+m/JzAVW/fE5FFyInrv3F9U=' 
WHERE 
  key_id = 'c6fbaf0bd29717230adfedd1c5fa5f9390eacdda3163853b1724515773518c3f' 
  AND (
    token = 'wlTwjAbCExccoMNylSXI+m/JzAVW/fE5FFyInrv3F9U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )