UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B7S4Iocb9WIhWUyFlqFRyetmKOa1dDG4l94R6KpJhf0=' 
WHERE 
  key_id = '68f791769808266998230089b81f807d4c356f357e0758c2d8f1e147c4d87f37' 
  AND (
    token = 'B7S4Iocb9WIhWUyFlqFRyetmKOa1dDG4l94R6KpJhf0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )