UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FkYDuKbGBZlMj4Gg70rNHsrGpB4Wt5gUfuGk/Mj+xcQ=' 
WHERE 
  key_id = '8a86b696caaef5c002e2a3ab695659ef302ac3627b8612c2c3de4a9e1bbe9551' 
  AND (
    token = 'FkYDuKbGBZlMj4Gg70rNHsrGpB4Wt5gUfuGk/Mj+xcQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )