UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fmwDdof2CIqa6hP7n+tEznexBOW8pnsfc5Off0cKMsQ=' 
WHERE 
  key_id = '83e6eb791f18ad5c0ccba340c201cbd7cf026cd8958b4f2e110b9482af1c52e9' 
  AND (
    token = 'fmwDdof2CIqa6hP7n+tEznexBOW8pnsfc5Off0cKMsQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )