UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'd4A9qGrt+0kVcs4KVfI0bt37hdjqAvUe5HIWsWJCZ0Y=' 
WHERE 
  key_id = '8a50a109168da8c78d7dfcd892c4e0897ec859aab4adf423919960170a0805fa' 
  AND (
    token = 'd4A9qGrt+0kVcs4KVfI0bt37hdjqAvUe5HIWsWJCZ0Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )