UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SNMUKFZMQRPYRHNqjkkAFeXeFNBIOcrVsPV1lqarybs=' 
WHERE 
  key_id = '3e135cc06ac04fdf8b237ff196c66f05a08287638eae4706ba962531c704017d' 
  AND (
    token = 'SNMUKFZMQRPYRHNqjkkAFeXeFNBIOcrVsPV1lqarybs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )