UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SI+aAiELsBjeC0N2VOu2C4MO9Lf+np3WTOILrgm+jGs=' 
WHERE 
  key_id = '15d6abb52c217d8d29c894f8cc3576a4467f0279ab0b783824a4cc76a1e85139' 
  AND (
    token = 'SI+aAiELsBjeC0N2VOu2C4MO9Lf+np3WTOILrgm+jGs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )