UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iKlYzuEdnpLuXy7B1hX5B5XAX7wRNAld+jvUwdf+T2s=' 
WHERE 
  key_id = '15140843c5f02c538e517781d4ff0b3e9438af734a3a455bad94519c96271a4f' 
  AND (
    token = 'iKlYzuEdnpLuXy7B1hX5B5XAX7wRNAld+jvUwdf+T2s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )