UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ri8IDn8PlzKBvxmkOPSkn2bzayigzsGFqK9zQGG5XVk=' 
WHERE 
  key_id = '3983d369a4ac4aea6473885e953a48bfbc2fae14a0f2560b3160a407c01cb0b4' 
  AND (
    token = 'Ri8IDn8PlzKBvxmkOPSkn2bzayigzsGFqK9zQGG5XVk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00037