UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'T8P/iMNhT4J/72zbhO8zP1dtanIjW5CZeg3lRzVleuw=' 
WHERE 
  key_id = '91844ae54ed479ebafd4834762dac273ca9c760df1372a5a80862a0164f48347' 
  AND (
    token = 'T8P/iMNhT4J/72zbhO8zP1dtanIjW5CZeg3lRzVleuw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )