UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KRFtXuwtL82AUVxb0N4pqfmFf/mga8LKHyp45XRnTVo=' 
WHERE 
  key_id = '8592c9e8e34630a5693710c3cf31fb25cbbf3c3bbb7ddf99f1c42753ecaf83b5' 
  AND (
    token = 'KRFtXuwtL82AUVxb0N4pqfmFf/mga8LKHyp45XRnTVo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )