UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vdxHxjzJgGG8qgeI/WhVbw7dCBhszamaRkb2dod+cp0=' 
WHERE 
  key_id = '956e3051a9c0a34f21dc99459484898b5153c53f58d0b9cab56a4276f25fd213' 
  AND (
    token = 'vdxHxjzJgGG8qgeI/WhVbw7dCBhszamaRkb2dod+cp0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )