UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iYYg573nwcCLNCOzgCUBOPdwWWkCuu8YzIrwyRKvE0A=' 
WHERE 
  key_id = '2b53d84589377869397b859c6c85174cfd9b8134cdc83cd71204d5534f0f8d94' 
  AND (
    token = 'iYYg573nwcCLNCOzgCUBOPdwWWkCuu8YzIrwyRKvE0A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )