UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SCMG0aONNdvZg55VFhbnYUunfivEafZEafOtnuO+DLs=' 
WHERE 
  key_id = '648e93ef141f62c2ec7b0e0cf841c723b349a491b80bd8fb061821c343642b1e' 
  AND (
    token = 'SCMG0aONNdvZg55VFhbnYUunfivEafZEafOtnuO+DLs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )