UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Hc2kiEyuMxNinKOgUEX2cIj+PZQQa9v/aR2CfbukIpc=' 
WHERE 
  key_id = '6c96df2daa578fbb5b90667ac8ea7dd006c06ba6ba6538ac98edc8f7bd5a7497' 
  AND (
    token = 'Hc2kiEyuMxNinKOgUEX2cIj+PZQQa9v/aR2CfbukIpc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )