UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6Wktblj2A4m5nFzl41WQdrXg0mbNn8jHHW2TMMNX0hQ=' 
WHERE 
  key_id = '40dbf42a68f1e4cc32efed88af5a04ac4d1bf8b84e41ceba8de40691e62494a6' 
  AND (
    token = '6Wktblj2A4m5nFzl41WQdrXg0mbNn8jHHW2TMMNX0hQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )