UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xAjxnk2dv0IzNIDVictTfZZFhryfU2rNMayGgT71jYU=' 
WHERE 
  key_id = '760a57431b20af406e637d0579b032f0d0d98b139ee569d750c0463cbc34af08' 
  AND (
    token = 'xAjxnk2dv0IzNIDVictTfZZFhryfU2rNMayGgT71jYU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )