UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MP2ufE+W5iUdiit0uuCP30credTPG///2UY8vj2hi8w=' 
WHERE 
  key_id = '511ee8e25f47dfaadd88f8a97445b9e8e5e5d9342a666b7356c1f1fd78c1f3ba' 
  AND (
    token = 'MP2ufE+W5iUdiit0uuCP30credTPG///2UY8vj2hi8w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )