UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uOT2/m7pCr39djFZt8kIVPVVtdQvRtPvDIvF6otbZGo=' 
WHERE 
  key_id = '478743a08807973fb4fa3fca82aff2d09f33129e8335f65eba573fdaa6e29079' 
  AND (
    token = 'uOT2/m7pCr39djFZt8kIVPVVtdQvRtPvDIvF6otbZGo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )