UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RuhJXfNGOphXrNR4Ok6D515TBMGxtc0dKoqJ3caOmSI=' 
WHERE 
  key_id = '79693ddb80e65a79537d02651881ce36f72ca9878bd3890d3c0838c914fa41c0' 
  AND (
    token = 'RuhJXfNGOphXrNR4Ok6D515TBMGxtc0dKoqJ3caOmSI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )