UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tL/is0JUNs2BOu1ZBpXaPlFxX+ZEosDbVqCQYerhXcc=' 
WHERE 
  key_id = '0a4867596de78e766651794fca3e6a5604df94ec36d24393cc937a6f774d854b' 
  AND (
    token = 'tL/is0JUNs2BOu1ZBpXaPlFxX+ZEosDbVqCQYerhXcc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )