UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pbV97MBmjUmMOM80FyPYUGhtNItU9Wj1DsJyId3ODPk=' 
WHERE 
  key_id = '50e829cc01c1398391596b21ea50c8532fade4b37fdd25e65a3268ee0da40054' 
  AND (
    token = 'pbV97MBmjUmMOM80FyPYUGhtNItU9Wj1DsJyId3ODPk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )