UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KhE5YMuM24g3Nlmb2dBsTkd24lcmcwaxfJc8JiItuJo=' 
WHERE 
  key_id = 'e2a643e8e1539448d1b21bcefa52f81b68542fa668a162a4a958c9053703f3c6' 
  AND (
    token = 'KhE5YMuM24g3Nlmb2dBsTkd24lcmcwaxfJc8JiItuJo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )