UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yW4abbjqGJsTJrz7G59V7aijspU1t3W2HUSmmSuAvrU=' 
WHERE 
  key_id = 'fb68f4781085516717e06ff7b87e10991eb95979bcc1b4d700ddef90ed92f431' 
  AND (
    token = 'yW4abbjqGJsTJrz7G59V7aijspU1t3W2HUSmmSuAvrU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )