UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y4mKJbiuvBlWF1VwCRLa0NBYvaW2rUJcgNP9YLSx14s=' 
WHERE 
  key_id = '82395d04ef179a3db4e8c1115da1e923750e19cdc224929a836838656015df59' 
  AND (
    token = 'y4mKJbiuvBlWF1VwCRLa0NBYvaW2rUJcgNP9YLSx14s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )