UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'toqn4uRgBfaCSWSLEJjdrk6F0gK5cLJpp6SM36Sw4DI=' 
WHERE 
  key_id = '761813fe55456a47d1f72d2be267c9b47871a7aa7e21de6d96b2793f0d4ecf8c' 
  AND (
    token = 'toqn4uRgBfaCSWSLEJjdrk6F0gK5cLJpp6SM36Sw4DI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )