UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eNL7W//6LjzZsrH6ONFs6uZasz1heA+QmiR20yeF39k=' 
WHERE 
  key_id = '6a4dd757b051e98d1924c6fc0aeff135c6e4d6bffa41ab3c4650a487bfaa7c5f' 
  AND (
    token = 'eNL7W//6LjzZsrH6ONFs6uZasz1heA+QmiR20yeF39k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )