UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Tkj0xgmUnUzTpZ+ZyxSdee7LdRQYPdt+MWLMr6DpYHs=' 
WHERE 
  key_id = '84f36b8ee253d62b301c15429f387148521d1c38b468d09ecf8ce2daf9309094' 
  AND (
    token = 'Tkj0xgmUnUzTpZ+ZyxSdee7LdRQYPdt+MWLMr6DpYHs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )