UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fkXchY+Mqqe234GLOTqJGbb1ra5I8p502au875htXnc=' 
WHERE 
  key_id = '4c3821fa3ccb684b6fe4c2f7f23c93325f4cd9592b9256ef9f34f5f3e080fd7e' 
  AND (
    token = 'fkXchY+Mqqe234GLOTqJGbb1ra5I8p502au875htXnc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )