UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VWZn+mrDtWYPY8QHk6Q2r+m78jnCiT7bsvuuOA9qd6I=' 
WHERE 
  key_id = '51ba7793dffad87794d601760ae1d7a6344aaae432597305b21218e298135252' 
  AND (
    token = 'VWZn+mrDtWYPY8QHk6Q2r+m78jnCiT7bsvuuOA9qd6I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )