UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zu8unmd2visHeZKtk824YEaPvzJFbSEN1pSi/ARgfko=' 
WHERE 
  key_id = '611e613f1d09d8afe73db11d6f32f592a36acc916cf83b69413d26517a97a5cf' 
  AND (
    token = 'Zu8unmd2visHeZKtk824YEaPvzJFbSEN1pSi/ARgfko=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )