UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ykmBrIklIrmpi5XW5dmILmossAsGqoXhY4vgAJYXmIE=' 
WHERE 
  key_id = '6cda21379a7c427e6578e963857e748bc508e597b1a82506d58cdc814e507b91' 
  AND (
    token = 'ykmBrIklIrmpi5XW5dmILmossAsGqoXhY4vgAJYXmIE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )