UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P/VfywkbpPwvGwhS+aDWrhpq9RkynYbGkZg5Bg2KBew=' 
WHERE 
  key_id = '51a107d93585bb80c10237cb4e35e7f3c84eda224f187c6f10beb029a56f5cb5' 
  AND (
    token = 'P/VfywkbpPwvGwhS+aDWrhpq9RkynYbGkZg5Bg2KBew=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )