UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ekrmi6yoe1XP19Q03WhGHW4KieRxGYyfxv6bHTBDSJU=' 
WHERE 
  key_id = '2b6df64b91025bbb6debb8eafd720bd074025341645fbc4d8d7774f7315c1562' 
  AND (
    token = 'ekrmi6yoe1XP19Q03WhGHW4KieRxGYyfxv6bHTBDSJU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )