UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SGb4xFAIqO4vjyvt7zTqR1QsRk3NGZqm7vs0OKbIOsI=' 
WHERE 
  key_id = '18d7e5a0512f5a3f31f231b684763965545c9b74a37b3810c1ed826b467feb50' 
  AND (
    token = 'SGb4xFAIqO4vjyvt7zTqR1QsRk3NGZqm7vs0OKbIOsI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )