UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TmBeX4Ywt1d6i22RI9n+EXX7MgBSEFyut4H25UeIFig=' 
WHERE 
  key_id = '993f5b9f86d9b1694a99838b2eb9f0e793f131960acf0416ad0a8db63b97ab40' 
  AND (
    token = 'TmBeX4Ywt1d6i22RI9n+EXX7MgBSEFyut4H25UeIFig=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )