UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PyIMb4/8WHGajCAqTGAc8W54KVixmuAl9ZOnDey09RE=' 
WHERE 
  key_id = '2a8b909966c60f914549adb9433e114a888722eba48168740d90a7910049d916' 
  AND (
    token = 'PyIMb4/8WHGajCAqTGAc8W54KVixmuAl9ZOnDey09RE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )