UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mZNjypp6CNllIflpbnRocBbXCGeGInsaHQJgFYWcaHU=' 
WHERE 
  key_id = '50affc58fa53b812e0998338b718ec58de9eb750362fa3dbf3555a35871b2023' 
  AND (
    token = 'mZNjypp6CNllIflpbnRocBbXCGeGInsaHQJgFYWcaHU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )