UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zWTAn9HXNyce9yTV53BRnSlUDLcvKFuYdjVLyYw2Lb0=' 
WHERE 
  key_id = '84368be2ad66417ef015b911668fe57cea43a3ef7478f5e2bb36424ff932071e' 
  AND (
    token = 'zWTAn9HXNyce9yTV53BRnSlUDLcvKFuYdjVLyYw2Lb0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )