UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'x/yjaYqIwtRwe/QR71pb+tCxa2M56To+PdR+Bi88hRg=' 
WHERE 
  key_id = 'ad2462e9d726420f44405edabec0e3372fb7dc44260d236e681b2240d8c52b40' 
  AND (
    token = 'x/yjaYqIwtRwe/QR71pb+tCxa2M56To+PdR+Bi88hRg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )