UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FnsnOinHno7nTh3Me2CIHXKVaA9LgELjts+TuVHt844=' 
WHERE 
  key_id = '2a81d9036c9cf5efd86ca7dbbdbe8e3ae25132214525d6aa7c34538d593a479d' 
  AND (
    token = 'FnsnOinHno7nTh3Me2CIHXKVaA9LgELjts+TuVHt844=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )