UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3oknTKwpfFvM8Mh1h11PUa/Gh2BYsZ1SoRRJmCyAv78=' 
WHERE 
  key_id = '681b28acb7ea6fa2abed04763af3f333fe078c7834a253b7804d05f3f9a82a13' 
  AND (
    token = '3oknTKwpfFvM8Mh1h11PUa/Gh2BYsZ1SoRRJmCyAv78=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )