UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l8F/3sfnbOAu3FhbssKNNL1sqEj77g15zkVikmrspZo=' 
WHERE 
  key_id = '12d0d19a358c922bea5ab14a85d4799ff6633681f2a32c334b5e742fee575999' 
  AND (
    token = 'l8F/3sfnbOAu3FhbssKNNL1sqEj77g15zkVikmrspZo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )