UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oKHvPPlSFWW63vVz9XcFa7NgK8xBot55RG5yA03vWGw=' 
WHERE 
  key_id = '68c69db2d5308411e7bbc3f0ff891388c5f9bd17b098654789bcc31183730503' 
  AND (
    token = 'oKHvPPlSFWW63vVz9XcFa7NgK8xBot55RG5yA03vWGw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )