UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6o2NmCoNwwMud1vcLLrgIdWoZHzUKlkPT9Bwd/cxzNk=' 
WHERE 
  key_id = '5b3033ff72bd6280df0593a82e2e374e8391b4f213284413832a02800039f971' 
  AND (
    token = '6o2NmCoNwwMud1vcLLrgIdWoZHzUKlkPT9Bwd/cxzNk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )