UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1/pobuCyEBk4GACO2ZGWkzYtMCTyn6rMl6Dxh2cL3vs=' 
WHERE 
  key_id = '50ddb5315fb6b2ed97cfaafcf31e32a4f2d0e614e39eab60936565c63816a6d2' 
  AND (
    token = '1/pobuCyEBk4GACO2ZGWkzYtMCTyn6rMl6Dxh2cL3vs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )