UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PbwduIdLHIzF6PnAucNvqn+WJSugNQQ+MB1T3PqOSmk=' 
WHERE 
  key_id = '42f814ecb4b95785c655284321b41e43ba48d4e116ef7b3d0c0a3f069c113dae' 
  AND (
    token = 'PbwduIdLHIzF6PnAucNvqn+WJSugNQQ+MB1T3PqOSmk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00026