UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rql5x4GhqzM3djXDwA2oH//jg64Xp42JDF43pD8A2a8=' 
WHERE 
  key_id = 'f4c79eab6fc303b41c24bc01c0f9717338a5027fd917f1b1ec501b5fada88376' 
  AND (
    token = 'rql5x4GhqzM3djXDwA2oH//jg64Xp42JDF43pD8A2a8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )