UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'si9Qi6Ic2TR2bm5DTQDsOD8AOruIePMiYKSSq1/P8/I=' 
WHERE 
  key_id = '19dcf0fe093309f191b3aef642f8c96adc7a9c562457854e210f0fed887e6e67' 
  AND (
    token = 'si9Qi6Ic2TR2bm5DTQDsOD8AOruIePMiYKSSq1/P8/I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )