UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VZKra5h/4qa8iMH0nbO2iQo0LcmxwW/+xPNyUiHZLRs=' 
WHERE 
  key_id = '18f6ff09ee9d8ece8951f9f1b8bcd63f6a19eb652d5547f0656c2a76f6e20a61' 
  AND (
    token = 'VZKra5h/4qa8iMH0nbO2iQo0LcmxwW/+xPNyUiHZLRs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00044