UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KFwKNvXYJ8AobhW1AswSEXI48RVm2VRvKE+/YJlJcOY=' 
WHERE 
  key_id = '4eb5235606eefe1ccf9dc729451568dd29641420237b504d1f592d855b6e8b14' 
  AND (
    token = 'KFwKNvXYJ8AobhW1AswSEXI48RVm2VRvKE+/YJlJcOY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )