UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8G0HCWrnhb5dBPfvUcSQyTypuh3PfFS12HPDA1Px+j0=' 
WHERE 
  key_id = '7835b0333acb2cf98764befde41ef4604e978955caea3f0eba9e940ad1efb795' 
  AND (
    token = '8G0HCWrnhb5dBPfvUcSQyTypuh3PfFS12HPDA1Px+j0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )