UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lhok8E/ohaaQilKXvx1Q42EEVfnmlczTYITT8PBq1Xs=' 
WHERE 
  key_id = '6abcd43786bede95ccd36af605d35a15a33525bc7426c45ffe3bef886b763fc8' 
  AND (
    token = 'Lhok8E/ohaaQilKXvx1Q42EEVfnmlczTYITT8PBq1Xs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )