UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WYTtVj01ImRxRNgh3fhdm81kLz3w55IycKfXeFnhURs=' 
WHERE 
  key_id = '6751e122a3022639b7cc36b132e5a4bb74adf0cb3ba2189d4b616a9a66d073df' 
  AND (
    token = 'WYTtVj01ImRxRNgh3fhdm81kLz3w55IycKfXeFnhURs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )