UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MAysGnaHZhsdYRiUAOFgttRfhldCJ+G8IVPQHOHAzC8=' 
WHERE 
  key_id = 'c137a819019ff4dc3ea41d16e3dc65d4c4a08cb949860b425e3ed09e65927972' 
  AND (
    token = 'MAysGnaHZhsdYRiUAOFgttRfhldCJ+G8IVPQHOHAzC8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )