UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SRdWp+Q0tLzf4y2YV2wYaMF1U3h2WLTYzXW+KHVyT24=' 
WHERE 
  key_id = '8e5c372c07fbe5d583e83eded9947af38baedb9e9e1c169736323d68680a347f' 
  AND (
    token = 'SRdWp+Q0tLzf4y2YV2wYaMF1U3h2WLTYzXW+KHVyT24=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )