UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6GXS5JF/W/EYvZElIqf/QNlgksTlWTO9xlBbfqrIfhM=' 
WHERE 
  key_id = '0051003afc71c5cd754e81fea34f11a13151178ad68f46842c0791e08f1d448a' 
  AND (
    token = '6GXS5JF/W/EYvZElIqf/QNlgksTlWTO9xlBbfqrIfhM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )