UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fRm8+UdOffgEwv4eAp7LzwuEmjhIqrivSPuMJGyNb3I=' 
WHERE 
  key_id = '8212eaf21bfa87d118033bbfeaba838f26f319863b8a5c2621e350c29464af41' 
  AND (
    token = 'fRm8+UdOffgEwv4eAp7LzwuEmjhIqrivSPuMJGyNb3I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )