UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '68++X3CZLthgRx1mqlq6wfICdcULCdlU4APnkb4+CPE=' 
WHERE 
  key_id = '0eb5cd744d7c84e6267d3f97ee7514d6f8fdd87e73bc073136c6a4e6a3d73c8e' 
  AND (
    token = '68++X3CZLthgRx1mqlq6wfICdcULCdlU4APnkb4+CPE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )