UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8J//Lo4IF2PihjGfklMi+iugYTTdqzm1euuP7NZATgI=' 
WHERE 
  key_id = '2a4da4ad1a6ebf0e844af7713b6c6a747811583261e04da71fb37715c9693b6d' 
  AND (
    token = '8J//Lo4IF2PihjGfklMi+iugYTTdqzm1euuP7NZATgI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )