UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WcVYx/dDe0gBGtsdK4Tg+B7eLueMpNzXsJwuJwjZbrY=' 
WHERE 
  key_id = '514d53b104eec052ba3b404a3e6b9910c75a4cc590f1988b3b0d26a6f35949a6' 
  AND (
    token = 'WcVYx/dDe0gBGtsdK4Tg+B7eLueMpNzXsJwuJwjZbrY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00027