UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XAu9P9Nve43cFpdAMGWzBNUleCKAxyOqr1A3AAFlUvg=' 
WHERE 
  key_id = '40c5be51e46a78bcef681b9526bf79339c53a3af31dacee0fa3b133fb5466642' 
  AND (
    token = 'XAu9P9Nve43cFpdAMGWzBNUleCKAxyOqr1A3AAFlUvg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )