UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QwmoCrUhDxi3ezS0sIIcx0PBefXOIIy0x70SsLaFrX4=' 
WHERE 
  key_id = '5471036323ec594dfd002d04248295117b5451506b617ebf9058f117c295a7f4' 
  AND (
    token = 'QwmoCrUhDxi3ezS0sIIcx0PBefXOIIy0x70SsLaFrX4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )