UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rwr3gGBrAUDYnR6/ETDx5juLuhJ2HHCxiGhaZf9Bb3Q=' 
WHERE 
  key_id = '3b6e30f7aa52dce6612e1ae88ea2d31fc05db0a4e39acba477af3dd67fd55d3d' 
  AND (
    token = 'Rwr3gGBrAUDYnR6/ETDx5juLuhJ2HHCxiGhaZf9Bb3Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )