UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tVYi8zHUteTrJv6w+1PA1kGohxw6cXqzfbTUfJKMFNI=' 
WHERE 
  key_id = '81978e509ee01beff9b8aaaa4ef0142f5c261643010c7f5d4d723b14b3aa404b' 
  AND (
    token = 'tVYi8zHUteTrJv6w+1PA1kGohxw6cXqzfbTUfJKMFNI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )