UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'A9DMKpQMx4Srr2LcnhC9nwHzAADleA3ozMNJrFB2Csg=' 
WHERE 
  key_id = '9b42eb77ac0c3de3ce7bf9e2f35718374f4bb124ad34645d9a6ba2051e9d80ee' 
  AND (
    token = 'A9DMKpQMx4Srr2LcnhC9nwHzAADleA3ozMNJrFB2Csg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00022