UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uVWzolqvXWemxftBZAhS/sKcR6O5KYDqcw7bzKo6+cE=' 
WHERE 
  key_id = '018a926f54f0e8c84ed1cbe8e518c733c2acbcdfd4763d00ffb77756502f193a' 
  AND (
    token = 'uVWzolqvXWemxftBZAhS/sKcR6O5KYDqcw7bzKo6+cE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )