UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zp6k6YKv7r8kFzwIzWk+vUEDQZ77o9R5N5yN9jw1erQ=' 
WHERE 
  key_id = '51cd0496b32a56edf619db96f576039bea84298e4d6f3b0e33e235dabb8bfb01' 
  AND (
    token = 'zp6k6YKv7r8kFzwIzWk+vUEDQZ77o9R5N5yN9jw1erQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )