UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '50MmM47hlHFhaMwYmJegCmPvaK4lTPoOpaTAq+uCzZE=' 
WHERE 
  key_id = '2e5579b46ab609418f9ecb8cc4f89f69b7878c7d8c541abe85002d3e6aec03d0' 
  AND (
    token = '50MmM47hlHFhaMwYmJegCmPvaK4lTPoOpaTAq+uCzZE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )