UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dkmegOdvg53KyahiqcMrLy19iyoJgFSHIA1M6KLKDjg=' 
WHERE 
  key_id = '4d5c9fb797fe5208ec7c6f9474d8329064ef212b6758e9812f7623d1ba3f27eb' 
  AND (
    token = 'dkmegOdvg53KyahiqcMrLy19iyoJgFSHIA1M6KLKDjg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )