UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MqldMyLaBBWl7G/VpUtEeXpmM4tiMY91EyLbx1iDki0=' 
WHERE 
  key_id = '950231a32bf19128ffc3390e155786132a6d78734c66e859c6933f7bf463ed4b' 
  AND (
    token = 'MqldMyLaBBWl7G/VpUtEeXpmM4tiMY91EyLbx1iDki0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )