UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Yh2X3VrfqDUVdtnKqxhu5YNg6aNTo8brS8RKVt4HM6I=' 
WHERE 
  key_id = '50e51fbbb581d0736fc78686c286ea674c087e47ebbc43b32bb5814cd64ed2a9' 
  AND (
    token = 'Yh2X3VrfqDUVdtnKqxhu5YNg6aNTo8brS8RKVt4HM6I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )