UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'He2876Lg+8HFXIcqiGtmCPDOjmNiGScaJia1tu2DFLQ=' 
WHERE 
  key_id = '51d9c78014f15dfdc2e9eb9e52d9126af4e7c0b8f7ef439feffc77a19882b030' 
  AND (
    token = 'He2876Lg+8HFXIcqiGtmCPDOjmNiGScaJia1tu2DFLQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )