UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Vgf1FWQIG9GTLLHl7mDpPFXIYla54cmUixRUSRGKVg0=' 
WHERE 
  key_id = '6e793d74f6593d18460aa46d8b6c041d7d00ee3317b43fd663035e32e757c586' 
  AND (
    token = 'Vgf1FWQIG9GTLLHl7mDpPFXIYla54cmUixRUSRGKVg0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )