UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MdQQc5Kl0umJvyH8athNz+BKo9sFNVXztu2gqc4DnSI=' 
WHERE 
  key_id = 'e39b3ff34a93983cbba1b0e00411633e9ec61ef11e0f749859ef9c879236be41' 
  AND (
    token = 'MdQQc5Kl0umJvyH8athNz+BKo9sFNVXztu2gqc4DnSI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )