UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AvKUmcPOfxxgsVjZM1Mktr2LfoNeFeYkwizNZqjIFOY=' 
WHERE 
  key_id = '6d990e21a6242dafcf9c8b9b7784d42cfc87d64c34ca8f91aa0a8bca2709a874' 
  AND (
    token = 'AvKUmcPOfxxgsVjZM1Mktr2LfoNeFeYkwizNZqjIFOY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )