UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Sx6HyszuEJaG4cWa/pMmFRCe42kNdUntqE3SMYqkzQE=' 
WHERE 
  key_id = '8a18a4051aa753fd2e24d7fddcbe64942a17c52319872f1fdb0a8d35e7ad1147' 
  AND (
    token = 'Sx6HyszuEJaG4cWa/pMmFRCe42kNdUntqE3SMYqkzQE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )