UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G/x3oRxPEi8KdtQf1HVUmMr2zubbrU9aqvvP6CBS3pY=' 
WHERE 
  key_id = '6a8b0602eafdbb4f4d9a6d4b13ad6fe27115ad7b34659e17e02f52d41fe08169' 
  AND (
    token = 'G/x3oRxPEi8KdtQf1HVUmMr2zubbrU9aqvvP6CBS3pY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )