UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ml+qP9d44F+49I4ykqyfsaFXa+VjAwhiLNDpZGbVBdo=' 
WHERE 
  key_id = '739feb391fea9971f3bb86a39f250bb50670911c44a927e61a4ce3858e4451a3' 
  AND (
    token = 'Ml+qP9d44F+49I4ykqyfsaFXa+VjAwhiLNDpZGbVBdo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )