UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x9QWLakbpIJ8InL/ZwnV8/nu8Y++NsRbyx5xjOl94rY=' 
WHERE 
  key_id = '51bed7b9aa47247dc7766d6c453c177cf7c694a1221b602608c50e32061fd487' 
  AND (
    token = 'x9QWLakbpIJ8InL/ZwnV8/nu8Y++NsRbyx5xjOl94rY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )