UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = '37v8Os948PfBWGUh4xhnWP0bSOTyxqqi7CQ6R0US4d0=' 
WHERE 
  key_id = 'e2f2bf7c3dd9f50e49164ff2998d42ae7d0b18e964adf9060464ef24902bf54b' 
  AND (
    token = '37v8Os948PfBWGUh4xhnWP0bSOTyxqqi7CQ6R0US4d0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )