UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Yd44tW1Vg56t9PYAt9499xPSHlbJAgn+p+DdkPlO2U8=' 
WHERE 
  key_id = '5437574e5a8b346e6034d3818506c06b9f303bdeafa3a9e1e47d13ac3b514b44' 
  AND (
    token = 'Yd44tW1Vg56t9PYAt9499xPSHlbJAgn+p+DdkPlO2U8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00042