UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MbiU48Y4nmDjue7jIVJGb2qZuSq8WUhjxhKo1hBA59E=' 
WHERE 
  key_id = '2b8c8474bcbfc50b3169c79db729c20ba5ce3952e144eb63a5116046346a142d' 
  AND (
    token = 'MbiU48Y4nmDjue7jIVJGb2qZuSq8WUhjxhKo1hBA59E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )