UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P500BxVPERYrjbp1eBqPohiwpZA5exjGyIvAmidDol0=' 
WHERE 
  key_id = '4b8b0a4bd3c93901069a8df491a7a6a27f5edfd3e4797700e7051e377b8f18c4' 
  AND (
    token = 'P500BxVPERYrjbp1eBqPohiwpZA5exjGyIvAmidDol0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )