UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iFN2TwKb4+BVO1bHTJwbQ5qtA9S/0Ms+PbVfKS9iSEg=' 
WHERE 
  key_id = '68da932a1d0c0eac44546b130d8afaa830651e16c1b40b606aaf111e62c9d91c' 
  AND (
    token = 'iFN2TwKb4+BVO1bHTJwbQ5qtA9S/0Ms+PbVfKS9iSEg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )