UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k5Zw4mySTZe62A3+qYm2YSRTIOn8DcQhj7wO/M157mU=' 
WHERE 
  key_id = '6a3d7a6cc0b099f965ff27cbcdb1a8b95f6d8e6ea6fb93ee3d7d370339f47b8f' 
  AND (
    token = 'k5Zw4mySTZe62A3+qYm2YSRTIOn8DcQhj7wO/M157mU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )