UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RCdXlW7jvsFi+FhWylzbznj+86VYaOqMY8xeY/V7lS4=' 
WHERE 
  key_id = '6d3b5aeb94d6954879a78c283c65d75b4e0953f50cc303a2f66e8f2f8ee79a59' 
  AND (
    token = 'RCdXlW7jvsFi+FhWylzbznj+86VYaOqMY8xeY/V7lS4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )