UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MoCMfNaoyyQdP0pOVZ57bW1SGcRKzrSakzYMITjWirA=' 
WHERE 
  key_id = 'dde538bbb817e2c8a064c03b9abd81ca809a2f95a8e05fe2e07f48272b33e756' 
  AND (
    token = 'MoCMfNaoyyQdP0pOVZ57bW1SGcRKzrSakzYMITjWirA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )