UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a94uWNica6mm0D/4sDbiudkncsa9VWXGxW82ceJPNgY=' 
WHERE 
  key_id = '3f641de36f247d0ba6ebebf4857f7d52ac5c47c71b368b2db1c646640ccbe3e4' 
  AND (
    token = 'a94uWNica6mm0D/4sDbiudkncsa9VWXGxW82ceJPNgY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )