UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Xz5NT6lZ5iGiELgHVIIezdf6AvaxZj2R082FKD2I6O0=' 
WHERE 
  key_id = '6f68e50e12d1e666b14801b1cbf2a13a40292e4874c0e49826c45fced03e7c14' 
  AND (
    token = 'Xz5NT6lZ5iGiELgHVIIezdf6AvaxZj2R082FKD2I6O0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )