UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u9IjsSfW5khDw6W2pr2ch8bnNQlIGIbI4Gf8JiQn2GE=' 
WHERE 
  key_id = '15d574b702955e14cbded7e5265551cedd0464f3cb2b81c8c088df2a959d9f22' 
  AND (
    token = 'u9IjsSfW5khDw6W2pr2ch8bnNQlIGIbI4Gf8JiQn2GE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )