UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AHh6rK7cMrerrYVU4OG9Np5bnpHVaVvVprqztNL/csY=' 
WHERE 
  key_id = '327fe00b3d93fae8763dbcc8278ecae31dd2f7e5183a8293dc453ec750f297f4' 
  AND (
    token = 'AHh6rK7cMrerrYVU4OG9Np5bnpHVaVvVprqztNL/csY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )