UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cf8Zltm/GJQQUr276dnbOPqLCGTuq1vmSgi/FVzGp/Q=' 
WHERE 
  key_id = '6700ccb1317451014e1555465c56e13abc90f31889477dcf8c5cd058c56e4d8f' 
  AND (
    token = 'cf8Zltm/GJQQUr276dnbOPqLCGTuq1vmSgi/FVzGp/Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )