UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ktPqM9HGZqJdN7kH0mGyZLHm/3taJuSpzOpWzoS9H38=' 
WHERE 
  key_id = '121b77e6ddf37c341bebcaf1349d8cc34dd995014e7e65527f686acc3c88045e' 
  AND (
    token = 'ktPqM9HGZqJdN7kH0mGyZLHm/3taJuSpzOpWzoS9H38=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )