UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sScZH9XHPMRTdph2G8AyM2oDz/2lDEIOTKpn3e2fR8I=' 
WHERE 
  key_id = '784b8cbc0c16f73bf91323d1572b3c3ece0c580a754485318040113710f512da' 
  AND (
    token = 'sScZH9XHPMRTdph2G8AyM2oDz/2lDEIOTKpn3e2fR8I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )