UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GzfbuVvXqSpLP180xavU0J9f+rZIdfPnNXWjN9b/9tk=' 
WHERE 
  key_id = '50bf3bf19d89d0c65944a2fe80508f7176265030cff528fe0ab905bb9b8a818f' 
  AND (
    token = 'GzfbuVvXqSpLP180xavU0J9f+rZIdfPnNXWjN9b/9tk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )