UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RgJQTjePXT3451t8YgC5+uWaFSavgYKoiA4YUKCTKbU=' 
WHERE 
  key_id = '56359e799aa42be7fabed32bb8b8ac682dfdbdc5a44e9aa455615ee603451fed' 
  AND (
    token = 'RgJQTjePXT3451t8YgC5+uWaFSavgYKoiA4YUKCTKbU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )