UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '51soElEegaHrPcsTlzFNxvYUhGAajIznvqldRcgKm6U=' 
WHERE 
  key_id = '3623356c71976a6c9270ea063a7a34d2a69ae20ed4f7ceb40ef46e84f02ee279' 
  AND (
    token = '51soElEegaHrPcsTlzFNxvYUhGAajIznvqldRcgKm6U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )