UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eRuxPhR5sKxHPV47ovpWXexZvKMcuStVkui8PR9YVUg=' 
WHERE 
  key_id = '992685c0b3066f7536df0f41011ed70aed2ea56a24395fd920cdfc1f9c0c1164' 
  AND (
    token = 'eRuxPhR5sKxHPV47ovpWXexZvKMcuStVkui8PR9YVUg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )