UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SR1Oi0gKUTph3RidkArb1/oZJmsXIyXN4TMX/coAd98=' 
WHERE 
  key_id = '494dd3cde8419be303ac0139f02a0c342879294632919ae0421c5a250b8770be' 
  AND (
    token = 'SR1Oi0gKUTph3RidkArb1/oZJmsXIyXN4TMX/coAd98=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )