UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UoM/X3uIpxWnyHcwmcdK6OFFEkeukeSVyUDZlZJ8K+U=' 
WHERE 
  key_id = '8c751c69ce66e4361137895ebebe50ba8eedee813552e26983b1a1c5c2399ca7' 
  AND (
    token = 'UoM/X3uIpxWnyHcwmcdK6OFFEkeukeSVyUDZlZJ8K+U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )