UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AxlQxWfNDs42R1rE1D9zD6yHMiyXVXDEAIDfXT6+4/o=' 
WHERE 
  key_id = '692124bfb7b0368472be91da2f7c63995490008a25afecece68922d696213e36' 
  AND (
    token = 'AxlQxWfNDs42R1rE1D9zD6yHMiyXVXDEAIDfXT6+4/o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )