UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k9mk0cHB0ViH3xY0bgNrd37NWFel03u+wxDbhJuvWzc=' 
WHERE 
  key_id = '2874ea4862e75993d4db84f55b150bbc2da4a393453f22252b12d3c252cbe577' 
  AND (
    token = 'k9mk0cHB0ViH3xY0bgNrd37NWFel03u+wxDbhJuvWzc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )