UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'szfClOewAXi8TA3jRIXP4RkbXTgA8GKx2cmW/NpFpSI=' 
WHERE 
  key_id = '671086dd59e976c523e439da53aaf1908e6309d36c7e6908761f2f0ef6ce371b' 
  AND (
    token = 'szfClOewAXi8TA3jRIXP4RkbXTgA8GKx2cmW/NpFpSI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )