UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'elLmu7K0dlBc7xBHLNTs7OExh0n8+Icifj47wrcsr0c=' 
WHERE 
  key_id = 'b5979ca44eaaca3a9a36de4eee2603fd15b846fc492a0eaa07d16c2ef62ec1e8' 
  AND (
    token = 'elLmu7K0dlBc7xBHLNTs7OExh0n8+Icifj47wrcsr0c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )