UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '68z7ibMi9w0ZAjCtZRIH6sMd6vrhwfl7SKCFIVq7CIY=' 
WHERE 
  key_id = 'c25193782965f7063b39d76fad6287a42ecafc54da2daac3a01413cd0bdc889f' 
  AND (
    token = '68z7ibMi9w0ZAjCtZRIH6sMd6vrhwfl7SKCFIVq7CIY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )