UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G6dczYLnWM4o5UASgvlaeragubsaXqTyT1mLHFPR+oM=' 
WHERE 
  key_id = '786a4a09b4736ea140297a94ffd692669c0d430f6de2ee52ffd943a2c7f5fe9b' 
  AND (
    token = 'G6dczYLnWM4o5UASgvlaeragubsaXqTyT1mLHFPR+oM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )