UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pu/aQl5yDquqvT41ciQGHbj3PhUTM2LceI3acrNE1eo=' 
WHERE 
  key_id = '739a504982f39bd7b156b1651dec40b7101fc1857bfab2ecb769150704768681' 
  AND (
    token = 'Pu/aQl5yDquqvT41ciQGHbj3PhUTM2LceI3acrNE1eo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )