UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4xdSa9fj/MIJuJQAvKupt0mvJ3in3/aA2kH5FOJGEeM=' 
WHERE 
  key_id = 'b4a855d16658f3ebdc9303a8de5de52c89d98af5790fee259260c075f81c9238' 
  AND (
    token = '4xdSa9fj/MIJuJQAvKupt0mvJ3in3/aA2kH5FOJGEeM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )