UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K28mkrEieEBS6K1c5qmJnGwR3WUEfi/vK18cTvOyRwI=' 
WHERE 
  key_id = '50cb6e7f8ce44a2212922242304d666f5d82cddfe5d8e331cd823d6db4605d66' 
  AND (
    token = 'K28mkrEieEBS6K1c5qmJnGwR3WUEfi/vK18cTvOyRwI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )