UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6zOphtlpKNa8ahd24I0bTkvKLD59tvHx7YGxrPlImcA=' 
WHERE 
  key_id = '29db227c2b11abc596a19792ca0d674902c1f75552bcc974dde14fc192af545c' 
  AND (
    token = '6zOphtlpKNa8ahd24I0bTkvKLD59tvHx7YGxrPlImcA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )