UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yWgZmwohO03wGCWq/oWXeZHRcnzIOJFy+uTeYAbXkn0=' 
WHERE 
  key_id = '6b7491f7742ae8235903fe50972665e022dd49ec031af3c4f3e6f035dc1b43ad' 
  AND (
    token = 'yWgZmwohO03wGCWq/oWXeZHRcnzIOJFy+uTeYAbXkn0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )