UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nWClJM379Tg35dzZaOzmaml3iBHfdi4w3UU+RwEK+TU=' 
WHERE 
  key_id = 'c8f0cc2521e306e663710d09813652f9e35bf14a23b8103274c99194ccab5524' 
  AND (
    token = 'nWClJM379Tg35dzZaOzmaml3iBHfdi4w3UU+RwEK+TU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )