UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '79EwfLFmLBtylQ2zLEFEtEpwGLWjCFj23d+ZsMQaHiE=' 
WHERE 
  key_id = '254704f57f2192e42e2350af9a55ce4cf590b45d190775d79fe7a765783a9df4' 
  AND (
    token = '79EwfLFmLBtylQ2zLEFEtEpwGLWjCFj23d+ZsMQaHiE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )