UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yU1W0/PnVPqX/kqBq4hWdT3ke3lLyxM4zLfMqqSbYcg=' 
WHERE 
  key_id = '848a79afc2ac0ee8228bc80db7627807140fded4892edd4fe5cf7c08f9751bf1' 
  AND (
    token = 'yU1W0/PnVPqX/kqBq4hWdT3ke3lLyxM4zLfMqqSbYcg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )