UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OUCgzc2sr3C55F7yq5DeR2gHlCd70nxyLSejQy3QFUI=' 
WHERE 
  key_id = '4e544ca7698d09bc51e4cb2ff23ece24c966860c6076b88ee067f866388d40f8' 
  AND (
    token = 'OUCgzc2sr3C55F7yq5DeR2gHlCd70nxyLSejQy3QFUI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )