UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z1MU+zZtuko6nLdNH4Dm0s2H9eQXfTOGAahjfxZ3i+8=' 
WHERE 
  key_id = '590099da2121960f99c05b4625c2a7edee1d8755f9686339fbc94e76e49b6741' 
  AND (
    token = 'Z1MU+zZtuko6nLdNH4Dm0s2H9eQXfTOGAahjfxZ3i+8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )