UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Km34fXCmHBsFXV6ZDah4ZtPynG836lwX1unf55NegrQ=' 
WHERE 
  key_id = '6a52be7569e7b8fe4567472394f1dcd1889a9eda239d698d7c245351ef70e871' 
  AND (
    token = 'Km34fXCmHBsFXV6ZDah4ZtPynG836lwX1unf55NegrQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )