UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NL3NExPzD20rPLhlJHLjQktlGJ8Dd8LzobXKxg/EwWk=' 
WHERE 
  key_id = '4e8f23878583a8ae30fc2b168ad5f9d0870b7188b5e4c9a063bb01a136bc8637' 
  AND (
    token = 'NL3NExPzD20rPLhlJHLjQktlGJ8Dd8LzobXKxg/EwWk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )