UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MBHNFE3Y198fq+1kxU/ahwVG0sGqQF09eTVvmqi0+TM=' 
WHERE 
  key_id = 'bfa1e53f452c0959ca0bf7d9589623434cca24b68cb11fb22e43355ca44e4c0f' 
  AND (
    token = 'MBHNFE3Y198fq+1kxU/ahwVG0sGqQF09eTVvmqi0+TM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )