UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PrQ6/gbeBMpSBROxE2vlZNTvzsQhKS6dpLbvNUHHLOg=' 
WHERE 
  key_id = '0bdd7854d3d7dfd54bbe320baf4eee65b6cd271cd67044e7243646e9a999dd88' 
  AND (
    token = 'PrQ6/gbeBMpSBROxE2vlZNTvzsQhKS6dpLbvNUHHLOg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )