UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jw8rzjl+2RuZlq5nu80yg1+839zkRx2xk+s9JjYs2wk=' 
WHERE 
  key_id = '968ca8f2385b173e19081b1d16884b95c976b28cbd509a490a2e9f81fdc57db7' 
  AND (
    token = 'jw8rzjl+2RuZlq5nu80yg1+839zkRx2xk+s9JjYs2wk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )