UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'A3n8tfb/WCSN2ZdBkw4g552XoEU2CxPJV7kspmgH84A=' 
WHERE 
  key_id = 'a6e9531ecc2ea22ea2ab58d947da445b5762a9dcf70591a1a883dc4edad34579' 
  AND (
    token = 'A3n8tfb/WCSN2ZdBkw4g552XoEU2CxPJV7kspmgH84A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )