UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ouFZhqqGWXMfAptblXbVfjxOClJnEkaydpkrChBzvLE=' 
WHERE 
  key_id = '2d94687f8efdd516b8c330646e32b7854d9dff3fba2ccbba6b1ffea9289c0949' 
  AND (
    token = 'ouFZhqqGWXMfAptblXbVfjxOClJnEkaydpkrChBzvLE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )