UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'Mguxm42ZmsuW2PVjWvBAD5Ki9Au6kfnGQmjUf4Fr/K8=' 
WHERE 
  key_id = '571825fc3709f98bb22ac35a390aedc55ad86cd56cfaffaea869a2ccb37d322c' 
  AND (
    token = 'Mguxm42ZmsuW2PVjWvBAD5Ki9Au6kfnGQmjUf4Fr/K8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )