UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N4VM9SekjEwY0kIaEXPVLqVVR9nG4J9MVctfdDQFLQA=' 
WHERE 
  key_id = '6a6495fed21cc345eb7b5d2ac0d47d4de0e6f2e5bbae21a644afb3b08648c421' 
  AND (
    token = 'N4VM9SekjEwY0kIaEXPVLqVVR9nG4J9MVctfdDQFLQA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )