UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qwQ4UZp271boH7BfIOynuJYWp151KbAjlXTrZ4Pw014=' 
WHERE 
  key_id = 'a4c2f2874e184cfd2a58da8b828262f357b5ff9c301231bf25c205b8e6ca3d18' 
  AND (
    token = 'qwQ4UZp271boH7BfIOynuJYWp151KbAjlXTrZ4Pw014=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )