UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x4QmdsxOnp0WDHRIriCzI1ZQbqpX+Ago15Q3OcjxXBc=' 
WHERE 
  key_id = '15f80e417be58dfbfcc4b2b1445afc127ebfb65a543129f57fc963a3806f074f' 
  AND (
    token = 'x4QmdsxOnp0WDHRIriCzI1ZQbqpX+Ago15Q3OcjxXBc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00020