UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ax7/ddxJ7W2j6/zVwlSq4o7pcSazQASZT64LcuIaqcY=' 
WHERE 
  key_id = '4f6dbe04e5968a343c5baee67656e46743c505e81b6fd1f10522be72038b05ed' 
  AND (
    token = 'ax7/ddxJ7W2j6/zVwlSq4o7pcSazQASZT64LcuIaqcY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )