UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+OkQwvRzo+6vnOb7MzrUebfH+6XxqHTso+pAwi2avdQ=' 
WHERE 
  key_id = '8c558f3f896028fdb50012c7fcae0b0e1b7faab20ee20db4b833e9a7f2fe3634' 
  AND (
    token = '+OkQwvRzo+6vnOb7MzrUebfH+6XxqHTso+pAwi2avdQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )