UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3J/D7PeF4YN62z+XoW8e7UyMwF/TdOa9YW2y06+fepo=' 
WHERE 
  key_id = '831407247c15876ffa8090f5e3bd48b91a4553692f3246957aa04eceb8933a41' 
  AND (
    token = '3J/D7PeF4YN62z+XoW8e7UyMwF/TdOa9YW2y06+fepo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )