UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qK45y3XynBc3QhhgRGoyiCfMej2qLkGLN5CJd0ZXhNI=' 
WHERE 
  key_id = '1b6f0b73bd123e7d9c4738085acfa2707da0dd358a89967aa83235990745e51f' 
  AND (
    token = 'qK45y3XynBc3QhhgRGoyiCfMej2qLkGLN5CJd0ZXhNI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )