UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iku9GLMvuWyZxVAIMtfL7fu+9geNpMoYqxEc4hkdUjk=' 
WHERE 
  key_id = 'e218d95c57bde7e02112505be315029165dc532a5e87a0269d9c9ff7de557190' 
  AND (
    token = 'iku9GLMvuWyZxVAIMtfL7fu+9geNpMoYqxEc4hkdUjk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )