UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n6mjyzqO9Xtk6AHFfwvIsCQGecpz74gx8ubiYKaLu84=' 
WHERE 
  key_id = '254f0e718a87c59a966bbdb61511d3747a90d52de3a33c8bed013ab1d6c20ef0' 
  AND (
    token = 'n6mjyzqO9Xtk6AHFfwvIsCQGecpz74gx8ubiYKaLu84=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )