UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uJHItZXT2qURe2webon6p3MA5iTYc4JqFXl6aGQxjBI=' 
WHERE 
  key_id = '81e179c7e6c43cfaa703c6e9f0e6f68bfafb6c609a8e44feff2183c0ac0cf879' 
  AND (
    token = 'uJHItZXT2qURe2webon6p3MA5iTYc4JqFXl6aGQxjBI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )