UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'px/e+nVrv6IOMCAnhrYd1ur9qj34JEYeHTvi2sp+hhM=' 
WHERE 
  key_id = 'b68f6937513b9a80cefaf0ecfff426a7e8ae36dd8f596f40eb33ab9bd92dbe5e' 
  AND (
    token = 'px/e+nVrv6IOMCAnhrYd1ur9qj34JEYeHTvi2sp+hhM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )