UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'o7TgEWXZ2fdvpCoKV92IDGribq2JVFS4FJUBC2iyHVc=' 
WHERE 
  key_id = '7a15b5bfb7fcf52d4aa969ac1271aca6cd345091705b45b0dff850481be0f3e3' 
  AND (
    token = 'o7TgEWXZ2fdvpCoKV92IDGribq2JVFS4FJUBC2iyHVc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )