UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6RrkCYOMPsnidQL8ruIjE06FG8rA7PoZpIosHeUpwts=' 
WHERE 
  key_id = '957b1cd680562cc63dde2f5403bf64675341860267cd6a5fa57cd308da70898c' 
  AND (
    token = '6RrkCYOMPsnidQL8ruIjE06FG8rA7PoZpIosHeUpwts=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )