UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9nQZMGIo9CvK0Iz9dzaOziCtATCvS9np+m0ZuSgF604=' 
WHERE 
  key_id = '51513af84c2f1e3746d23dfe3c8c89a26735bfa8a5392ca92b1fdf8e314a6ad9' 
  AND (
    token = '9nQZMGIo9CvK0Iz9dzaOziCtATCvS9np+m0ZuSgF604=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )