UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'My2wtCf76c+7Md9YLg5UfmVFpHRjFCx6RJuJdoTWh/c=' 
WHERE 
  key_id = '14391c139b2d4046d4c38cdf83d6de35e1293b146f9269f917829ad406c70223' 
  AND (
    token = 'My2wtCf76c+7Md9YLg5UfmVFpHRjFCx6RJuJdoTWh/c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )