UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gG4t3d9i/vPaK8wuAqNAwZFVVW9z0W8g3mnY2vccr/4=' 
WHERE 
  key_id = '6b504b474894dfe468be15c1ee18ba91ef2aa73bd1ede833891676800ab9133b' 
  AND (
    token = 'gG4t3d9i/vPaK8wuAqNAwZFVVW9z0W8g3mnY2vccr/4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )