UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nGxTIDNKzoXOHMDj2qqUl0GzvyYy9AASyTp0HICLKxg=' 
WHERE 
  key_id = '4970649cfd4fc35fd7cf1154e993f329faff8e9bad317c411abd904029e27520' 
  AND (
    token = 'nGxTIDNKzoXOHMDj2qqUl0GzvyYy9AASyTp0HICLKxg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )