UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S9WhaqrCFEcPcEcoNMwSv+TAHh3LNSdAJcIKr1SdnFU=' 
WHERE 
  key_id = '51a684c52acecd4ef72ef2224b3095032ddd40c4684b96ed183bfe66f4c7b379' 
  AND (
    token = 'S9WhaqrCFEcPcEcoNMwSv+TAHh3LNSdAJcIKr1SdnFU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )