UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SBKh7KHV9Go3Yz5pPg7ITIRL9cOZfobProKhretKU7k=' 
WHERE 
  key_id = '6742a759eccd9329a23f2c13e821f0e37a7f493af1d0eb593ad06e635d3168f5' 
  AND (
    token = 'SBKh7KHV9Go3Yz5pPg7ITIRL9cOZfobProKhretKU7k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )