UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QahDGUPSoGpGXpCPjHQBg2MGNzSRab3iNTmVVZeSM88=' 
WHERE 
  key_id = '747ca697a8a1db9efba38699e08e971882de2992ced420711cdd64a34a7e0730' 
  AND (
    token = 'QahDGUPSoGpGXpCPjHQBg2MGNzSRab3iNTmVVZeSM88=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )