UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kj7P9EmjsN69Xkfwb3apbzX0tBOq69zDOKpPeqJcteQ=' 
WHERE 
  key_id = '79303a986a47ceb2b50969ce3c044c877f9628f6bf42287d1e3e91d860b82cf0' 
  AND (
    token = 'kj7P9EmjsN69Xkfwb3apbzX0tBOq69zDOKpPeqJcteQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )