UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mfztjm2eWjauq76+Rx7rqYaImvRc1ya3byZ4Z1M8XDA=' 
WHERE 
  key_id = '71d6811752886c15e7779368385c47ce5bfe35886e242d4084bccc549ed32191' 
  AND (
    token = 'Mfztjm2eWjauq76+Rx7rqYaImvRc1ya3byZ4Z1M8XDA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )