UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QE7IZ21fLyIffkmN55wsYLUkCRXQXkX3h4AApTvUIu0=' 
WHERE 
  key_id = '6be9a7c99d4bca3747f43fd283a2661c892660018133dbcd761318cd2cf8848e' 
  AND (
    token = 'QE7IZ21fLyIffkmN55wsYLUkCRXQXkX3h4AApTvUIu0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )