UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C9m7gWX2EIqZK+Msq5Ft5x9C16haRuF6b6k5goeOYOE=' 
WHERE 
  key_id = '40ba9343d0d5dcd0127405dafc8ed220a327319bafaba67de7550dc5e4d59516' 
  AND (
    token = 'C9m7gWX2EIqZK+Msq5Ft5x9C16haRuF6b6k5goeOYOE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )