UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k/GhgJgXzahluepTgjH90pFa0gg5xvCSBDPK64D6/UE=' 
WHERE 
  key_id = '545e13b4d1551e02eba82fadf6c10c8d8e44fe0f8fbff195649976c494cb2a17' 
  AND (
    token = 'k/GhgJgXzahluepTgjH90pFa0gg5xvCSBDPK64D6/UE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )