UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jsivjr4F4KNp+d9P9ejG5x23xzHG9VQIPM8JiRPxuqc=' 
WHERE 
  key_id = '28eb0d3820da0cbe38206b486c1d37e5ee719096222c0701b49de6897f40899d' 
  AND (
    token = 'jsivjr4F4KNp+d9P9ejG5x23xzHG9VQIPM8JiRPxuqc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )