UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4HuXsdG28P6lbjvKZVi0a76DwoXMiG2RmYgsY/voCeY=' 
WHERE 
  key_id = '21a2f50fdca5cb3ace06b31c23323368e9a43b05883f95b378c12f3920aaf57c' 
  AND (
    token = '4HuXsdG28P6lbjvKZVi0a76DwoXMiG2RmYgsY/voCeY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )