UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Q4iuSpcxljNib4/nA1r7jBeD8FlRKmwGlKSh1GErPIo=' 
WHERE 
  key_id = '81fc0e882c14dabddba624e31a906041ab27ddd8781abc93fa2e64aa462f92d3' 
  AND (
    token = 'Q4iuSpcxljNib4/nA1r7jBeD8FlRKmwGlKSh1GErPIo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )