UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PX6G6VIGMIvgg5WrPdUe7qEycMZDcJNtaoLsWxHadJ4=' 
WHERE 
  key_id = '939261f5ca21591b33511587a0793ea28d037a93de15f9a00ad6320e1581b7e1' 
  AND (
    token = 'PX6G6VIGMIvgg5WrPdUe7qEycMZDcJNtaoLsWxHadJ4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )