UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xPCX3aP8eu5w/owzfVO2EfxNUwCUzCaBAyY0B9hUf4A=' 
WHERE 
  key_id = '5206f5b6a28e548c767270f728f2845ee9f4f6ca8e779bebcadd6a030068948b' 
  AND (
    token = 'xPCX3aP8eu5w/owzfVO2EfxNUwCUzCaBAyY0B9hUf4A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )