UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RQGvk0VhwhSuLQ74lMghOhAM8dACeZTxY/hR/ryyL1s=' 
WHERE 
  key_id = '521a5f51e1b7c153c1e609461eb390f3c6bdf077df671e334de1737eb01c3eea' 
  AND (
    token = 'RQGvk0VhwhSuLQ74lMghOhAM8dACeZTxY/hR/ryyL1s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )