UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RA9QLEUh6nYpkMeWhOMmwFxuefoYAB8QYNpWfuNVT/w=' 
WHERE 
  key_id = '4c63f6612f864b21316a943f11848a5f1c3ef65519b6e43a099176edf107f938' 
  AND (
    token = 'RA9QLEUh6nYpkMeWhOMmwFxuefoYAB8QYNpWfuNVT/w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )