UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JmtfamD25eg2tB3OOhb2DzJYo3tN8+wedSm3eLkoWdM=' 
WHERE 
  key_id = '40302c4d46942e4cecbf95ddee8a69a5d3e2fc83eabcaf9753785bbfeaa7294e' 
  AND (
    token = 'JmtfamD25eg2tB3OOhb2DzJYo3tN8+wedSm3eLkoWdM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )