UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u6bZxshtogl8wFLC8VxEzUvxJKDw+Ws2X3/sH6bdP+M=' 
WHERE 
  key_id = '5abcc40a86cb18cb76c744704c6a6956cd0072c0f326f3e6e1c3e2b31266c08f' 
  AND (
    token = 'u6bZxshtogl8wFLC8VxEzUvxJKDw+Ws2X3/sH6bdP+M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )