UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PtqUsGLSWgj1OBIWun9i/RmMxkj3OIgCMvbxqwqYKGE=' 
WHERE 
  key_id = '4c8b8935e3a8dfd4541187582f4d42e29ed9af4cc57ad792860a7557e3d6f446' 
  AND (
    token = 'PtqUsGLSWgj1OBIWun9i/RmMxkj3OIgCMvbxqwqYKGE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )