UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rnbt+RTl+lNlZbicaCJewDRCQcgg22RbHIwdSDP+DXY=' 
WHERE 
  key_id = '5747a0baa4adaf8dbce15e4263d8ca183c30ab276ff932e9af38136d205d3621' 
  AND (
    token = 'Rnbt+RTl+lNlZbicaCJewDRCQcgg22RbHIwdSDP+DXY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )