UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nyp2/VzEMiGErINJzHHm6nb40qKpTQRZNbHt/uFYR8Q=' 
WHERE 
  key_id = '645876053ca097826b05755252f1e4ab49bca76af6289c12458eea816c0d5f45' 
  AND (
    token = 'Nyp2/VzEMiGErINJzHHm6nb40qKpTQRZNbHt/uFYR8Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )