UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VtpCCl8+F59eqI6EqYC1TWOqSBY0OYXDBPAJseRZfaA=' 
WHERE 
  key_id = '6d6bdfe3e52262fef922b91bb639ba9abda7c726a9a8ac24abf0d954b5d39740' 
  AND (
    token = 'VtpCCl8+F59eqI6EqYC1TWOqSBY0OYXDBPAJseRZfaA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )