UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NEpum86hUlmq5J5x5Wf0Lo1QwG6pHHtNDFUMbBQOHqI=' 
WHERE 
  key_id = '239a294e5bafa8a9efb2cc5326a5cf55d76b62401585b8311cf82d0d61ef8e49' 
  AND (
    token = 'NEpum86hUlmq5J5x5Wf0Lo1QwG6pHHtNDFUMbBQOHqI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )