UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L6h+7CovcveoX5HWAQWU1lAVDUWN7Vbm0iqdte0se98=' 
WHERE 
  key_id = '79823eb17df24cfb89d9658f18e2a15184bf8fdf9b51a3074068b70a0755eb80' 
  AND (
    token = 'L6h+7CovcveoX5HWAQWU1lAVDUWN7Vbm0iqdte0se98=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )