UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LKCg8MUEYaqoJq+UQy8XYs9e8sKpxADUSpZaILKydfE=' 
WHERE 
  key_id = '28e8bf9a58377de8adc0f5133f8f0a7c7f4919fbc46a2daa8ef5f05dba403c82' 
  AND (
    token = 'LKCg8MUEYaqoJq+UQy8XYs9e8sKpxADUSpZaILKydfE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )