UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ppah4GWzFwjZIwtrqbcHvun7TX5uaERcdepIq++CWVk=' 
WHERE 
  key_id = 'cd3f62160ae2a1c197d3752a5922a16ab710555dc11452238de48038efb141e8' 
  AND (
    token = 'Ppah4GWzFwjZIwtrqbcHvun7TX5uaERcdepIq++CWVk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )