UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rAs5e5ItsclrEtnx5IiuJ/qczaM5pLhLhZUmEGaW4pw=' 
WHERE 
  key_id = '63257cbf9f18838d9c148fea9a7167e0d4cf6e732ce6b209147ebe45c341f2b2' 
  AND (
    token = 'rAs5e5ItsclrEtnx5IiuJ/qczaM5pLhLhZUmEGaW4pw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )