UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4JaY9b3wJsykSOwE7k0NpG1NWyUrCXueYUKkTC9XCYo=' 
WHERE 
  key_id = '704ea3d85345d0553b042a272fbf971b925ad63007d3dd546254dc53fe3dca98' 
  AND (
    token = '4JaY9b3wJsykSOwE7k0NpG1NWyUrCXueYUKkTC9XCYo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )