UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'W5rHdMkwFyv24ZvTpeu9eJosYFhcZiPAbLBoTlar5vQ=' 
WHERE 
  key_id = '458753541f28c2a9a284bb03a20baa6848e2ff24787ad58739a575869ccc1288' 
  AND (
    token = 'W5rHdMkwFyv24ZvTpeu9eJosYFhcZiPAbLBoTlar5vQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )