UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'blsnMY+wyNvVWUOoqX2G6amV5TNBysWotjGUcrQFutU=' 
WHERE 
  key_id = '81dd168206c3f1128a04dc0d22ec9fbac894deaaf6dc0df00eed58a89d2cb06d' 
  AND (
    token = 'blsnMY+wyNvVWUOoqX2G6amV5TNBysWotjGUcrQFutU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )