UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i8rg0F6tsHnXRU0S8I7UIiKN0kfNKyGy4IrkEv4k0PE=' 
WHERE 
  key_id = '1815664968c55f31ed002d9c22ab7a59956b1128fd2e0c6236c8fcc863d34ce7' 
  AND (
    token = 'i8rg0F6tsHnXRU0S8I7UIiKN0kfNKyGy4IrkEv4k0PE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )