UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rt6+2Hbu/UnWaP0QnSekMKD9E2ZFU1Tvsaq8Mv2HEDE=' 
WHERE 
  key_id = '52e9e7e34f1e741a2ae4bd2de8462db10e9f491f855bee9119ffb55d30b8aee6' 
  AND (
    token = 'rt6+2Hbu/UnWaP0QnSekMKD9E2ZFU1Tvsaq8Mv2HEDE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )