UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mPxnrDuwQ4f0+aYi0ser3QCr5Lt5jZMnmhl3RWGS8vc=' 
WHERE 
  key_id = '6dc1e46b3c9866bc3f9a0a427eef6021b87aaf62a2df39e6f82cd5e9de7f0636' 
  AND (
    token = 'mPxnrDuwQ4f0+aYi0ser3QCr5Lt5jZMnmhl3RWGS8vc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )