UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L20QYgwi83UlagSLEcx0pemnZVxMwVSikQOehlAAFvM=' 
WHERE 
  key_id = '6fe16a33a9c1899f777d39e02f4c3a539743f392d5058a8ddcba09e40e1ad525' 
  AND (
    token = 'L20QYgwi83UlagSLEcx0pemnZVxMwVSikQOehlAAFvM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )