UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qBrwwQY8pk5oxrH6tQRquux2I9SffDZ7uwGzWqGnVec=' 
WHERE 
  key_id = '376919f4c3c75493844f4e45850329b22060d4e80cbcacdd48c8bd65fe0a366c' 
  AND (
    token = 'qBrwwQY8pk5oxrH6tQRquux2I9SffDZ7uwGzWqGnVec=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )