UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B7z8CSi6QE3wuW46sl9UIKO7rbMIzKLf1pdQ19FAYxE=' 
WHERE 
  key_id = '851e20b09449aacf1e647813f8ebeb97116bd339c906c04fd917bea8c45946b2' 
  AND (
    token = 'B7z8CSi6QE3wuW46sl9UIKO7rbMIzKLf1pdQ19FAYxE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )