UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QWMPPQ8monk3W3ouT66t4hzmIEKu3kxFXZX4nbHheOY=' 
WHERE 
  key_id = 'ab4c194e83757daa59cca0435652f77f034436f0916ff983e35752a305216bee' 
  AND (
    token = 'QWMPPQ8monk3W3ouT66t4hzmIEKu3kxFXZX4nbHheOY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )