UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Qbdbm7XaWuOI6n9Ds0Tk+Z36qP66u7XXaeXlvDxdr7c=' 
WHERE 
  key_id = 'c604b3d28962f48ea24a23f50e35634b861269efe7f3b135d2328974919dc1d8' 
  AND (
    token = 'Qbdbm7XaWuOI6n9Ds0Tk+Z36qP66u7XXaeXlvDxdr7c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )