UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l8gBTgzwdYIevPPwU6fecM11jlQ4FYqjnlEW1w1oLfc=' 
WHERE 
  key_id = '3484b7532b94f746a5fe774f37dd12163ca80ff24d77d7103459f66b3a9d307b' 
  AND (
    token = 'l8gBTgzwdYIevPPwU6fecM11jlQ4FYqjnlEW1w1oLfc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )