UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pylxpj4N586QNE1HPpkMMftHgBfRSfLyYR2yth4emnY=' 
WHERE 
  key_id = '5406ad1a9992bfa4ef136e0b7d41a901c0fe3f53efd979778653a326484177ed' 
  AND (
    token = 'Pylxpj4N586QNE1HPpkMMftHgBfRSfLyYR2yth4emnY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )