UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EprfNygscPasogu96GxRaw/KHJvpcCsywA8SXY6pyjE=' 
WHERE 
  key_id = '27aaa485b67d91f3a347edd8458079b46f69cdce19fcadec3646d61e7b6baa1a' 
  AND (
    token = 'EprfNygscPasogu96GxRaw/KHJvpcCsywA8SXY6pyjE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )