UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Yln2XYMz42un2aXBYvp7zoUXPVE4mA8YEJTXdBRs980=' 
WHERE 
  key_id = '15c5a22e7c4a56c5744367f1bb6504d1e39e20dff080a33526b2f283a1b5352f' 
  AND (
    token = 'Yln2XYMz42un2aXBYvp7zoUXPVE4mA8YEJTXdBRs980=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )