UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HFQciQvlb6tnhUDMrqsufcxxkIKeQXhnPeyhx+5bU6I=' 
WHERE 
  key_id = '851acf6b888cc665c3e23da6e909f3fb319976e902cb3cc83c17a34bd4ffba50' 
  AND (
    token = 'HFQciQvlb6tnhUDMrqsufcxxkIKeQXhnPeyhx+5bU6I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )