UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lrVzBx41+gtfmqrfKXv0JgRDhPBWMto7XZBoZxh/Jxg=' 
WHERE 
  key_id = '251b81eba7d4704b9ce2329b74b6288ae93aa42ce7003af3903bb72c10bb33b7' 
  AND (
    token = 'lrVzBx41+gtfmqrfKXv0JgRDhPBWMto7XZBoZxh/Jxg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )