UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w6Eawq41Mc5fhxGIvDJnyNylAy4guYXdoqIYTrIbuQM=' 
WHERE 
  key_id = '91a45a126db5a0eb5e2389bd5010871206d9e4df1c2e90e1c410518677f1dd5d' 
  AND (
    token = 'w6Eawq41Mc5fhxGIvDJnyNylAy4guYXdoqIYTrIbuQM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )