UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kn3evxzl6zEz9yxqn2VOqnWo9D/Ep0ghzRmAS9LxhPc=' 
WHERE 
  key_id = '491b5d7a0c1c47adda476979da2a7ac2fe3816f1087044782aff17308f2bef21' 
  AND (
    token = 'Kn3evxzl6zEz9yxqn2VOqnWo9D/Ep0ghzRmAS9LxhPc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )