UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V6bI2B6pBNkZYZ0X6qsORSpJ2qns0L55nK1+kE71NPA=' 
WHERE 
  key_id = '6cb81440f1777c077d78404bf9f9b6119b2bf17d8634b6fa3cdad618af21408a' 
  AND (
    token = 'V6bI2B6pBNkZYZ0X6qsORSpJ2qns0L55nK1+kE71NPA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )