UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fxGgWfl2D7UmMVrItjpYB61sk8sGp0gXrGuiuvHkdWE=' 
WHERE 
  key_id = '023453869c3f6f777cdd678e2758d64734fa6ad7f8d477b46184400e2de12449' 
  AND (
    token = 'fxGgWfl2D7UmMVrItjpYB61sk8sGp0gXrGuiuvHkdWE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )