UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RnAWqDpfkebfK4FX+y5XWVF2aOcf8g7TpaBQx31yzUE=' 
WHERE 
  key_id = '7d6d7629fbdd2a30f84523c63347759e75b440b04c310facf4936d31303e64f5' 
  AND (
    token = 'RnAWqDpfkebfK4FX+y5XWVF2aOcf8g7TpaBQx31yzUE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )