UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+fwg44IAtkGR6geKTs2iFUD6ZcaIxfZ9pmOSG+FwBdY=' 
WHERE 
  key_id = '672e018859fee54bd60d151f3a02e6551e61da635781fdfce8bc630cc749c7f4' 
  AND (
    token = '+fwg44IAtkGR6geKTs2iFUD6ZcaIxfZ9pmOSG+FwBdY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )