UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iHw1tV8tjElP8Mxaz/4l3ujrf/mjjrihzvfnxgBAb0o=' 
WHERE 
  key_id = '6d3016ffe84372d76775b31644acb2734d7c63d536766f3c2eff10a32727b424' 
  AND (
    token = 'iHw1tV8tjElP8Mxaz/4l3ujrf/mjjrihzvfnxgBAb0o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )