UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ep3nL/purTCw4EuscwiZ1/hn+UO+3XkiUYfIp4+LdtA=' 
WHERE 
  key_id = '7d6d2342f750151cc402a068d21740813f346801ef2565185e3c1bf94f93a69f' 
  AND (
    token = 'ep3nL/purTCw4EuscwiZ1/hn+UO+3XkiUYfIp4+LdtA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )