UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9VEoQ5pFcEhO4BOf4ZXfLX9dcD4PVIgBbg04KZnsjZE=' 
WHERE 
  key_id = '6c40c2c060dcbc518167932f061d58c38c0f748081405fa599d97a909beb975a' 
  AND (
    token = '9VEoQ5pFcEhO4BOf4ZXfLX9dcD4PVIgBbg04KZnsjZE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )