UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6pAs/MNUBS1yv559ydJWYl0vWmvIyJxS9YU6OluhI2A=' 
WHERE 
  key_id = '6f88d0ecdc609c3fac2fecaadf7faba1042ddf15590b54f2b9dcd0bdce7dc683' 
  AND (
    token = '6pAs/MNUBS1yv559ydJWYl0vWmvIyJxS9YU6OluhI2A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )