UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Om7Gh4DB5wlukKLnzln39t5lDT39l2BjGIntFLy/sUc=' 
WHERE 
  key_id = '36e59fe4866ca5acd99bceebb68ebc65ab08c932844b71e97de24315d803f0f2' 
  AND (
    token = 'Om7Gh4DB5wlukKLnzln39t5lDT39l2BjGIntFLy/sUc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )