UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WhoaQEL8Ej+xb8H3qejGMUGwUH4UTXlQniO3dXomlFM=' 
WHERE 
  key_id = '15d6adce84ccc99b482729b6c3f2d9268a66f4f5879eeb58ec9b95b5e824478b' 
  AND (
    token = 'WhoaQEL8Ej+xb8H3qejGMUGwUH4UTXlQniO3dXomlFM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )