UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '646vbtxzjyTrRLmgXl2zg+UgP9UOWsoZzduu3oqm70o=' 
WHERE 
  key_id = '1a920a61d51016316da9a2b7f7e23a6a01c66c93534af267a83794a83549eb56' 
  AND (
    token = '646vbtxzjyTrRLmgXl2zg+UgP9UOWsoZzduu3oqm70o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )