UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aDCLf57gw8yqg7o/TDoYM/reMwRJxCAsVtPMvP6vh5k=' 
WHERE 
  key_id = '6676bc43b4e8bc8b5a1f32fe62d0e3f873b02977d8a9cbd73d7de84e6c8201b1' 
  AND (
    token = 'aDCLf57gw8yqg7o/TDoYM/reMwRJxCAsVtPMvP6vh5k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )