UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RKuuOcVFFHqSz7UfeoUkZxRX6Vl0HPmRWRYMUQEQ/Yk=' 
WHERE 
  key_id = '7fc2765786f11b78493d6d7bd2e45d9587af0016b4c3892b43c8f0b3e2c8fb59' 
  AND (
    token = 'RKuuOcVFFHqSz7UfeoUkZxRX6Vl0HPmRWRYMUQEQ/Yk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )