UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XpP4DhK7RrrUSMBt3RIAqqsb32dMr1rnytWZyayA6cs=' 
WHERE 
  key_id = '6736ddebef3f8383f01546edadc568345bb3ee5de8acfc9ea905295009cab27e' 
  AND (
    token = 'XpP4DhK7RrrUSMBt3RIAqqsb32dMr1rnytWZyayA6cs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )