UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TdZdh9a7u8hSSPaAjTgNcRDXUEpxcuDDJmcvB7IPCqE=' 
WHERE 
  key_id = '6c121535e19838167aa7bcd91692cca9e300667fda58147975b0b07d61d42b52' 
  AND (
    token = 'TdZdh9a7u8hSSPaAjTgNcRDXUEpxcuDDJmcvB7IPCqE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )