UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Bq15aFWQ3NuyTZDQ+NpmWSQgKkhEpBlC46alUeJth/M=' 
WHERE 
  key_id = '79ec728e272a9b0022eaebf18ca51f3be7e68936b3ae11685996db7991f017d4' 
  AND (
    token = 'Bq15aFWQ3NuyTZDQ+NpmWSQgKkhEpBlC46alUeJth/M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )