UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eN57OZ9Vh5tvJi22Io/ns3mFjJ1FwKqjIszlypKSPGM=' 
WHERE 
  key_id = '8a4849c771be86c8a46f0197aa0f5adb468d1b8cf66dabfdbd90798c06d2bc68' 
  AND (
    token = 'eN57OZ9Vh5tvJi22Io/ns3mFjJ1FwKqjIszlypKSPGM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )