UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kKZ02xbbsZKAYkTbFqb8M3o8N//msCFq1GSSyg2hbcg=' 
WHERE 
  key_id = '1a6764df5c12b4ec7fe093fae477f526f032dd504eb7aa304aefb6263341f20b' 
  AND (
    token = 'kKZ02xbbsZKAYkTbFqb8M3o8N//msCFq1GSSyg2hbcg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )