UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NxnAJ+U8z/nypdxnlhswhHeTMFmBxgHq1O0gkrJhh/Q=' 
WHERE 
  key_id = '3ebeb28f90072009df88638baaa4a27a581471489c30b3ebab0d778772025118' 
  AND (
    token = 'NxnAJ+U8z/nypdxnlhswhHeTMFmBxgHq1O0gkrJhh/Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )