UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yviZydlMx+tTj2Vp+erfxRSpkdoSjNpJjowKFX+OzXs=' 
WHERE 
  key_id = '975a44554a8311ff2db8aa060b83392064ff25235d16046bd47b3692c7f32aef' 
  AND (
    token = 'yviZydlMx+tTj2Vp+erfxRSpkdoSjNpJjowKFX+OzXs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )