UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mpe/MtiN4/TVO6fDM3+iaNSDvw4TtxJmJcBYHjq1Ypk=' 
WHERE 
  key_id = '02e4a8491cbe65b91212e62078702cccb638ddde53bb3fed462e94edfcb12ed0' 
  AND (
    token = 'Mpe/MtiN4/TVO6fDM3+iaNSDvw4TtxJmJcBYHjq1Ypk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )