UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QKLzEiP4a5GE3KXpXz999ukVKmb8nPladORO6zixqRk=' 
WHERE 
  key_id = 'a68b969cec496f8817e3d1aa07b2490422e107e97985fe3165a80edff62ccb19' 
  AND (
    token = 'QKLzEiP4a5GE3KXpXz999ukVKmb8nPladORO6zixqRk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )