UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P3JujgLaP+3jSDanmCuJEM5TT/Y1qrBlKWSWUTCaogI=' 
WHERE 
  key_id = 'dbdb3bca2c47a5cb8f6c1e8d6bad3675e77faee228eb55adb96aa80180e45a5a' 
  AND (
    token = 'P3JujgLaP+3jSDanmCuJEM5TT/Y1qrBlKWSWUTCaogI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00019