UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xMgQpDSp1LV2pzc5cvrdAI4KKTTBWMLWZZDnpcZa8Rg=' 
WHERE 
  key_id = '49764f203d0aab37b1b465bc018686d65e754704df9c2b315cbcc071264d5999' 
  AND (
    token = 'xMgQpDSp1LV2pzc5cvrdAI4KKTTBWMLWZZDnpcZa8Rg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )