UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Muko5DSLXDGy5UjucdpRFU8FSeii1WClDzJRXWoISSs=' 
WHERE 
  key_id = 'e4b0053b84840a652cf891639440b49cc6b28d31f766891d1fd9d2d43d7e9169' 
  AND (
    token = 'Muko5DSLXDGy5UjucdpRFU8FSeii1WClDzJRXWoISSs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )