UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PxCYhtINlC73bzLaiASW+5np8AEaISu8WezCM5R+vrI=' 
WHERE 
  key_id = '7eb5b5eeeba49fa809624810d60a6973d4acfb2032a9146c897e4be068e94a7e' 
  AND (
    token = 'PxCYhtINlC73bzLaiASW+5np8AEaISu8WezCM5R+vrI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )