UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fD+cv1r2J7DuYXV3qvyyC2k+wSZqQE6govWS3Xun12k=' 
WHERE 
  key_id = '161e9558dabc3d442ebeac13694779173736c0762df6f126fc92bf803357256e' 
  AND (
    token = 'fD+cv1r2J7DuYXV3qvyyC2k+wSZqQE6govWS3Xun12k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )