UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KVt9S6+plFygyPL5KjBfr2qF7prjPddSZ8jzWGLyfSE=' 
WHERE 
  key_id = '8ef90e7ea764e83d22770d71737028b861b1bbbcf072ba305c162110c2382f40' 
  AND (
    token = 'KVt9S6+plFygyPL5KjBfr2qF7prjPddSZ8jzWGLyfSE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )