UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LRrfctJOiKO4XOcuhrN7pMQQEZv4efD4PZg7YrWWVGc=' 
WHERE 
  key_id = '20f1736c39bd44f975a0198180f36d2839cd659eb569a882b03ee14a84b2405b' 
  AND (
    token = 'LRrfctJOiKO4XOcuhrN7pMQQEZv4efD4PZg7YrWWVGc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )