UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R3MGkX18Duq29/jHCFvfeYIgTFzfg6AuYxTBunnGw74=' 
WHERE 
  key_id = '557279447a4abc780515bccc4fa19be33a067a8899190c0862892be31071c0e6' 
  AND (
    token = 'R3MGkX18Duq29/jHCFvfeYIgTFzfg6AuYxTBunnGw74=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )