UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dd8QXDmC3hOsJNMUoKtzF2GwuCihv7vKZKCOhcYylng=' 
WHERE 
  key_id = '6d6a6a73683f3ab47e2ee5334d524e8556d0a237e49a007aa459ae511db2d0de' 
  AND (
    token = 'dd8QXDmC3hOsJNMUoKtzF2GwuCihv7vKZKCOhcYylng=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )