UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6mS2dt1Znz4TeL45jX6I6mEnHXi3hlvSEWENwp7W6cY=' 
WHERE 
  key_id = 'a44e0b21d53217eb07f66a5612c824042b34d11b31212f48b4f766af8282e4eb' 
  AND (
    token = '6mS2dt1Znz4TeL45jX6I6mEnHXi3hlvSEWENwp7W6cY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )