UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CTsXnirjjjmnlAncrb1fbVeTji9dppaA5Br4lws1njU=' 
WHERE 
  key_id = '1587b404038adcafb16ef99dff47e6ac302b5b29d5583ebd8dea9f2fc1229af9' 
  AND (
    token = 'CTsXnirjjjmnlAncrb1fbVeTji9dppaA5Br4lws1njU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )