UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eS0ag3186LVYf31XpMAYGZxrmU4tceOaUI138Zd/2SA=' 
WHERE 
  key_id = '7a9e03a4c397acf760efac1d0139e208373a5efb202a97a379900b94930c97ab' 
  AND (
    token = 'eS0ag3186LVYf31XpMAYGZxrmU4tceOaUI138Zd/2SA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )