UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7KHzYMARVmAtT5rUgkubO9rBTkaNSfRkIcaMDNr8R5k=' 
WHERE 
  key_id = 'a6acb1157559d2a84680d12e381ef1771d29de37a70a08ca1fd9442a2361acab' 
  AND (
    token = '7KHzYMARVmAtT5rUgkubO9rBTkaNSfRkIcaMDNr8R5k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )