UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2Cl1W82wVexfyWCAcqxErLhmNwu/QIKuxdcmfwm6f3E=' 
WHERE 
  key_id = '18b3983d8862ef3a741e2725879f8d378ce017386b53ecc10307afb252b4a6a9' 
  AND (
    token = '2Cl1W82wVexfyWCAcqxErLhmNwu/QIKuxdcmfwm6f3E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )