UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ejObRPW6C1yZjas3wabp0pTD27LuJmLXpTfoGP3JaIw=' 
WHERE 
  key_id = 'e97eff412ee9395603a035c2cc304324c58251cdf97c8ed336e165d2b35f38ed' 
  AND (
    token = 'ejObRPW6C1yZjas3wabp0pTD27LuJmLXpTfoGP3JaIw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )