UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yuBvJFgoZI1DANOe8g3xad/b8NIBAEMGev38nTWameY=' 
WHERE 
  key_id = 'a1e839238bfafa6fc6827702ef6017c3502a1b11d51caadae728a063a5d6a939' 
  AND (
    token = 'yuBvJFgoZI1DANOe8g3xad/b8NIBAEMGev38nTWameY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )