UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BetqDMT+1GTwnccrxy7RjhYFuUSaebsJpERcLm/agmw=' 
WHERE 
  key_id = 'd4d8c6dee3a34de1c29f2e6e071a9e992b48cf6bcd219e2b256b3f15836d06cf' 
  AND (
    token = 'BetqDMT+1GTwnccrxy7RjhYFuUSaebsJpERcLm/agmw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )