UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ev8py9CW7ZJVRQ4bNWXkRh6ywemtg2mj9o/dNIKCmys=' 
WHERE 
  key_id = '90b8102d9017d724e40d443a998225637cc33ca268694ce77b580ced30695be0' 
  AND (
    token = 'ev8py9CW7ZJVRQ4bNWXkRh6ywemtg2mj9o/dNIKCmys=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )