UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gtnIq49eW0qyjA7lIIdMsXjHecOYstH1RZYPPjFqSXo=' 
WHERE 
  key_id = '547d74bad6dbab814df3edccac6c6bae9a667d3d9cb6c35f645923b426a94ab1' 
  AND (
    token = 'gtnIq49eW0qyjA7lIIdMsXjHecOYstH1RZYPPjFqSXo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )