UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rZj5nynMTGXvgrPDltM4P/f8d4PRi34Bz/Cdgj5YSx0=' 
WHERE 
  key_id = '968811f742219fd5b315f634f2051013357af8160506ccf4886376de9e1bc760' 
  AND (
    token = 'rZj5nynMTGXvgrPDltM4P/f8d4PRi34Bz/Cdgj5YSx0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )