UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Wz6sasuhWoZK+NcfVGUDFlHD7pYSU+liaRxBlziChRY=' 
WHERE 
  key_id = '52a6d6d8b8dae79294de9362181eba659fd3b2ac6b156b15949079c5e4f9e6c8' 
  AND (
    token = 'Wz6sasuhWoZK+NcfVGUDFlHD7pYSU+liaRxBlziChRY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )