UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uKhx1LsXdGfHe/29Yud6zUjSXazBoIXukPa2FeZoNwk=' 
WHERE 
  key_id = '6fa2ad72e8d9439a2c854763c9897c99773008519bb4537c6c51e3ffb7f7a691' 
  AND (
    token = 'uKhx1LsXdGfHe/29Yud6zUjSXazBoIXukPa2FeZoNwk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )