UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Px2uHs6gSfmwnqewxcp6ZzycpvmrAPomE19LRnF77S0=' 
WHERE 
  key_id = '5841681d6a85ae5bfa26e56c51c65a1459fef82cb103d894a3ee2057613ccc68' 
  AND (
    token = 'Px2uHs6gSfmwnqewxcp6ZzycpvmrAPomE19LRnF77S0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )