UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rWWuomAkMU578oAlsg3me+cfAvd0g0A8BYWrNMR+95Y=' 
WHERE 
  key_id = 'e461ba552b8c6dba729153fd5ee8c960104c41f74a97d9f64d0a2a8acff01a13' 
  AND (
    token = 'rWWuomAkMU578oAlsg3me+cfAvd0g0A8BYWrNMR+95Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )