UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6jRqZY+lMTyvpe8YreyG9LOakSXXLKkWSdz0WkmherI=' 
WHERE 
  key_id = '8e6b4f7750800c80c6d317967684631bd61231cd76a78444d7a042cac92305b4' 
  AND (
    token = '6jRqZY+lMTyvpe8YreyG9LOakSXXLKkWSdz0WkmherI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )