UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pAazUuH2oEj8xWtn6PGUZe00fwElKVFoQzUwtopyzTM=' 
WHERE 
  key_id = '6e891a9c30ecf1242ac68931372f37865873324893255888d79f713d1b8b8e38' 
  AND (
    token = 'pAazUuH2oEj8xWtn6PGUZe00fwElKVFoQzUwtopyzTM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )