UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '//pOKaPyx/3gtdBFfqe+SbAPJtMOwssm0EuiDG1xHm0=' 
WHERE 
  key_id = '57d925fa30703c039dc39eb58308201a187b91ebaf24ab21b13698c2775014d4' 
  AND (
    token = '//pOKaPyx/3gtdBFfqe+SbAPJtMOwssm0EuiDG1xHm0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )