UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7mH75LPE0w6ZGNyyrjIlwaF6PE8sYfZNx+MitsuOyxc=' 
WHERE 
  key_id = '81f5d42b3b5cdf06e401c1eb76f21d1a78b961f03dccabbd9efa4ff72edfac31' 
  AND (
    token = '7mH75LPE0w6ZGNyyrjIlwaF6PE8sYfZNx+MitsuOyxc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )