UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GQUeg/mxj0jGWYgJvkrQAMqTY4DPQ5jQHVq/dQJ9mr0=' 
WHERE 
  key_id = '21678d8dcc253f34b3dce7a9b9d672634bb7778d7935eb9c391e1b980b47bbaa' 
  AND (
    token = 'GQUeg/mxj0jGWYgJvkrQAMqTY4DPQ5jQHVq/dQJ9mr0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )