UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MlNlx9GN04YElVzfbJVq1MN2Kdbrf6vWzRkN3k9AgiI=' 
WHERE 
  key_id = '620d20410ee9a249fe0cf39ddf4975faa8a098cabdf284216b085f75c51c6cd7' 
  AND (
    token = 'MlNlx9GN04YElVzfbJVq1MN2Kdbrf6vWzRkN3k9AgiI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )