UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9x1YXqnCdbTfXA6AmWtkyywIjGSiDDUwHT5Jz92s+Gk=' 
WHERE 
  key_id = '83f23fb17de1f7f911481f164d9c1c7458e3f6c46c075ea132cf5fd55a16c446' 
  AND (
    token = '9x1YXqnCdbTfXA6AmWtkyywIjGSiDDUwHT5Jz92s+Gk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )