UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kzu+k5j6sFjEDLZ5kEnS5TmVFEQWi58+zweK3VDH5HA=' 
WHERE 
  key_id = 'df22a03bf392f1f5af4c142e903d764b8111cf8e921fc2167337ba541b7db22d' 
  AND (
    token = 'Kzu+k5j6sFjEDLZ5kEnS5TmVFEQWi58+zweK3VDH5HA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )