UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '21cZ3NhwoEO1k5WBjktg08tAUwuG1rmyjhndYb5JsXk=' 
WHERE 
  key_id = '968a9b877f52c27836556f92d09d6ada61c6dc249c4f6abd3c1b9d592a327fef' 
  AND (
    token = '21cZ3NhwoEO1k5WBjktg08tAUwuG1rmyjhndYb5JsXk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )