UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pBgH8k0wd01osErgRycFnvHnVER31N9cjoRCV0ZMIVg=' 
WHERE 
  key_id = '7a68fc199039e74d6a9076177db611e57cf4bd346229ddcb991fbed16aaf2e4c' 
  AND (
    token = 'pBgH8k0wd01osErgRycFnvHnVER31N9cjoRCV0ZMIVg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )