UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PiVMJYyDDEfBWKcJ2ztjSdBnCHUD73OkX8kNVl6wJh8=' 
WHERE 
  key_id = '6b76a9f32107ceb426eea96a614bdf208fbe8242c09538c4fb512df2e0384bb5' 
  AND (
    token = 'PiVMJYyDDEfBWKcJ2ztjSdBnCHUD73OkX8kNVl6wJh8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )