UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MAkKXeKydfkEGLNgD44cyqWUkUnvxJLuSzlXAIHmQ/s=' 
WHERE 
  key_id = '79a5c11199d5396010ab97fc57b4ec653f1659f436f9a3b29b0756459a44c692' 
  AND (
    token = 'MAkKXeKydfkEGLNgD44cyqWUkUnvxJLuSzlXAIHmQ/s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )