UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PPO669MOrE78SVbW7quYUNHiqtbQqYXvqWWfeef++AM=' 
WHERE 
  key_id = '3a87b1e6d4db4d96e5253bd0814ef7904f6400569cc3e1cbf25013467965c941' 
  AND (
    token = 'PPO669MOrE78SVbW7quYUNHiqtbQqYXvqWWfeef++AM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )