UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x7gs3uPV27pHGu2td2eRSkHbxzt4NWEYo8QkZfUW/x8=' 
WHERE 
  key_id = '294061deefede8b8fde421d2ed960bb29f5a67195c4b1196cf036fd20797500f' 
  AND (
    token = 'x7gs3uPV27pHGu2td2eRSkHbxzt4NWEYo8QkZfUW/x8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )