UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g4c9GvoJMmh1mopSEDBTYH2GjEn2f6nWVjfdLS3Digg=' 
WHERE 
  key_id = '5c84a01cf0819ad06ce2007ec8031fca47c4310db69caa5d288375768c121c1f' 
  AND (
    token = 'g4c9GvoJMmh1mopSEDBTYH2GjEn2f6nWVjfdLS3Digg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )