UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dhLk2/irh791xohgoi42tDuDZhSKaxfeXbHO57eKeuk=' 
WHERE 
  key_id = 'd91bfe94e520e6c015b8754e32b740503412ffb2e0732f149f71a718435f05a2' 
  AND (
    token = 'dhLk2/irh791xohgoi42tDuDZhSKaxfeXbHO57eKeuk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )