UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M3w28wq7zGqZgWaf99LMVcX8wcJIWRpkG71/tgC9bz4=' 
WHERE 
  key_id = '6d2c4e0043c626a69915f7cdb90ecfc59d1f15b1f3de9757878b7078aa83f7a3' 
  AND (
    token = 'M3w28wq7zGqZgWaf99LMVcX8wcJIWRpkG71/tgC9bz4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )