UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ajw2McwKExsZK3q/O2QKMUwL7cLrmK2f6vrNto9LWbs=' 
WHERE 
  key_id = '82d76af1c320330b555201ec95758b84474198788eaefd80d1c765a593221980' 
  AND (
    token = 'ajw2McwKExsZK3q/O2QKMUwL7cLrmK2f6vrNto9LWbs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )