UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tCo8cdmNy/ryurdMm85p0vXMb81kYDNKFkCi+9b8+Jg=' 
WHERE 
  key_id = '39ef9d0727ccc3cb9a3cf29d3cb2be87c5772c7cb047e93a1612ab3b5a1e9fe3' 
  AND (
    token = 'tCo8cdmNy/ryurdMm85p0vXMb81kYDNKFkCi+9b8+Jg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )