UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rxgHnNiPhDofy8Idcv+9XDNjCELgUoxAmDAV+gKyUCA=' 
WHERE 
  key_id = '2f794c1404a7665a3377ca768776b0f5e91aecc611f9b89dba752bbe9794518d' 
  AND (
    token = 'rxgHnNiPhDofy8Idcv+9XDNjCELgUoxAmDAV+gKyUCA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )