UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'q+f1qDEXbXiXPHyHOBE575ZaOet20PJU3FRYZDF34P0=' 
WHERE 
  key_id = '51981ab9acbb545f71b9f6537d429aab0a17190126b31280c2e4229a30cc40d0' 
  AND (
    token = 'q+f1qDEXbXiXPHyHOBE575ZaOet20PJU3FRYZDF34P0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )