UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xnGvv9jAD1PZh9DNpZJtdGoQjsfVaCO7Mf0CQYGC/Cs=' 
WHERE 
  key_id = '6ef541d9138c62a663324e1d272fe0eb00d97b66ab81464519798549143a9756' 
  AND (
    token = 'xnGvv9jAD1PZh9DNpZJtdGoQjsfVaCO7Mf0CQYGC/Cs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )