UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'j+MwjisOBy3sKhDwyg8JtQ518QK8YvdlVTgcYexfxeI=' 
WHERE 
  key_id = '51958b82ad2c1e573e52b31fa522fe6c60f057232e8491290c515ba971c869b5' 
  AND (
    token = 'j+MwjisOBy3sKhDwyg8JtQ518QK8YvdlVTgcYexfxeI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )