UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/eJrU1zYE78750rqGqhMPUiKy4bOqpmXdKoljd03Bdw=' 
WHERE 
  key_id = 'af402c6b1bdd5ee373cd8dd23de5458f333a18f522253300f7a33e610c3fb280' 
  AND (
    token = '/eJrU1zYE78750rqGqhMPUiKy4bOqpmXdKoljd03Bdw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )