UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6CdYF4fdIk/OML3vCLbFW/qhCfKICBKdbzuzoJi+OKU=' 
WHERE 
  key_id = '81ceca068c244d6801566ac4a5db98f92828e753156d32a83331434f986d4ffa' 
  AND (
    token = '6CdYF4fdIk/OML3vCLbFW/qhCfKICBKdbzuzoJi+OKU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )