UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Hf54vKxwZajTB5BUyiu+Ik7xINZX0Bi7Oi0BvnoSaQQ=' 
WHERE 
  key_id = 'a18f9bf994f4545e40b23a787be365ef24e67310d152322b39054355c9064778' 
  AND (
    token = 'Hf54vKxwZajTB5BUyiu+Ik7xINZX0Bi7Oi0BvnoSaQQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )