UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'GJF60xhC2zt63NrR3jJhBZmy92xXVRZi6GPN8eEf/Ec=' 
WHERE 
  key_id = '861378b8c7ffa602c3881f9d54fcac69a8efe3c173fb39986ea7aecea9f109fa' 
  AND (
    token = 'GJF60xhC2zt63NrR3jJhBZmy92xXVRZi6GPN8eEf/Ec=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )