UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K3aR3qrbDn15j91nWvQuZsx/eO8C28HU0U9X8YQ2vRE=' 
WHERE 
  key_id = '4dd5a8314617ed398e3a32fc1e076d639efc7d5252f86981e481febe4691a6f4' 
  AND (
    token = 'K3aR3qrbDn15j91nWvQuZsx/eO8C28HU0U9X8YQ2vRE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )