UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M3hv0+WlK2oS+Jjtbosf9GP3K5Dz4tiwEIksVB6qBsw=' 
WHERE 
  key_id = '2c3186d70839124059c604c5126ed957634767dd6b83c5a9a2b5d0686f76cac7' 
  AND (
    token = 'M3hv0+WlK2oS+Jjtbosf9GP3K5Dz4tiwEIksVB6qBsw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )