UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a+e8AGIiPcdkI1CvhfgerxmnqIIxaLU35HVF03XGvRw=' 
WHERE 
  key_id = '4ec84a9382c85b70c59ec7ced6762aa5321f9007f8207750940a814da8084121' 
  AND (
    token = 'a+e8AGIiPcdkI1CvhfgerxmnqIIxaLU35HVF03XGvRw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )