UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xW3wXqe4PvsQXEq9vx5WcnSVPo8c+/ETCsKIbOpqppk=' 
WHERE 
  key_id = '741308555a7f02dc8f2e6dbca73f4c7ecf5351bdc5d3f92c4f3796ccd1796ba7' 
  AND (
    token = 'xW3wXqe4PvsQXEq9vx5WcnSVPo8c+/ETCsKIbOpqppk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )