UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4HhMrqStbploonb8NTdRjpXVmfrSIG8qVrLNjj0WfjA=' 
WHERE 
  key_id = '3500f927bf21e99c24294d3ab097438384b45d695f01c43d2f9cd8a8df51366d' 
  AND (
    token = '4HhMrqStbploonb8NTdRjpXVmfrSIG8qVrLNjj0WfjA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )