UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JHSzEenhQDCVXDEsgYTKOUTM//5dPWdt8er/WBI2DXg=' 
WHERE 
  key_id = '6bd7e493003c23903bd0ceeeba179f58acb79faea2a90530ca572ee6ec78aea0' 
  AND (
    token = 'JHSzEenhQDCVXDEsgYTKOUTM//5dPWdt8er/WBI2DXg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )