UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jDh3QMp6hq9KFnlVn3yJ+RdD5KltU2jnoBXcmUURIhI=' 
WHERE 
  key_id = '81bc76fac1941f8fc7546353f160c32dbd3e408ffe3555130b58b4ad29f56f03' 
  AND (
    token = 'jDh3QMp6hq9KFnlVn3yJ+RdD5KltU2jnoBXcmUURIhI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )