UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gVxQOirAEJJ2wLAP1QTfKX8BxjbahcYt/WHhH6WURRY=' 
WHERE 
  key_id = '9836d4ae635277243f444d1438868a2661b21817e34d01d465fd226e6fab5816' 
  AND (
    token = 'gVxQOirAEJJ2wLAP1QTfKX8BxjbahcYt/WHhH6WURRY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )