UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S/BRX3AOWSdlSSQmZyhuSJNQ6ffbYCZo8FO306vvJcA=' 
WHERE 
  key_id = '2434c5df668948f5bd648e2d410d3144b4d6031fea882d9b752aa620e9face78' 
  AND (
    token = 'S/BRX3AOWSdlSSQmZyhuSJNQ6ffbYCZo8FO306vvJcA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )