UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k3fYMGj/uKnCRoqSKGerxTnjz9eiiJuRalWhDtK+oM8=' 
WHERE 
  key_id = 'dc42c6cdba03fdea577f7ed93aaa01716a52e233953e495709888cb12425a631' 
  AND (
    token = 'k3fYMGj/uKnCRoqSKGerxTnjz9eiiJuRalWhDtK+oM8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )