UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aN0e+PjdC3MZpRWovZaU/aH5XQyDLxWne9VrInOiqko=' 
WHERE 
  key_id = 'd7b52e72c7a55ab96ec076ba8ee4750473295d33352c10a1a85f04912cf299c3' 
  AND (
    token = 'aN0e+PjdC3MZpRWovZaU/aH5XQyDLxWne9VrInOiqko=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )