UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4iMPJNdU51kkZeRfBakDknD76UZNVfdfzpQGMrn7/t8=' 
WHERE 
  key_id = '7b21c4734d1f6431937a503bb67f40e1203b0725121f0390459f94d5222e30d0' 
  AND (
    token = '4iMPJNdU51kkZeRfBakDknD76UZNVfdfzpQGMrn7/t8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )