UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oGtBjJZWv4sC4czOwxPEzKGgbl85xqEKpv9nebsXVog=' 
WHERE 
  key_id = '238b4de069de6272792c8b1ad59a69f6de1feaa94a016532e711c4b6a3ebb7f0' 
  AND (
    token = 'oGtBjJZWv4sC4czOwxPEzKGgbl85xqEKpv9nebsXVog=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )