UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vkJDxgHV8dUXxBiVNkhTpgUfLgG+xpDdq4a/nuHQAis=' 
WHERE 
  key_id = '4e8a4b8099d1f320f57c1c2eee75eafa18e6e94709ce4fec5438e2c858320703' 
  AND (
    token = 'vkJDxgHV8dUXxBiVNkhTpgUfLgG+xpDdq4a/nuHQAis=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )