UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MHHR3AUqGNc0QWFnP7+TUSpL9Aq902iWcb3qI0eleVM=' 
WHERE 
  key_id = '878e1f84ca9185678dba3ea32179f0b57bc15dd7f7128ea6b732519b091af7ec' 
  AND (
    token = 'MHHR3AUqGNc0QWFnP7+TUSpL9Aq902iWcb3qI0eleVM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )