UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4ARfk5Pdmq6+v1kNhdr0VPDDAXeCMP51g+gMDxns1mU=' 
WHERE 
  key_id = '15788700411feb4befbc7460a2c79631779730fde6ac1ec7b0141feab86883b3' 
  AND (
    token = '4ARfk5Pdmq6+v1kNhdr0VPDDAXeCMP51g+gMDxns1mU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )