UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+AW7gRNHPPEWQWIl5ku0QlZza81/N2Fu9E+/E+ygKno=' 
WHERE 
  key_id = '4fe35d2817e459451ea6df1b489f3e4cd7dee6c36b75b9e5e8a61c6bce7b793f' 
  AND (
    token = '+AW7gRNHPPEWQWIl5ku0QlZza81/N2Fu9E+/E+ygKno=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )