UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CE5UVydXF9FNHdzUsER8Tka7xBctGTavyGXU1NJCCG0=' 
WHERE 
  key_id = '8b2607db2659a70f75f905d73136db87cea44c44939dc069192b97cf7b8390f3' 
  AND (
    token = 'CE5UVydXF9FNHdzUsER8Tka7xBctGTavyGXU1NJCCG0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )