UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zk+EEl9qjKg/CpEIk13QmrE3E/Kit4iKJcUBrrUp6Ic=' 
WHERE 
  key_id = '6eb76a2982c0d74251b69075383780fce0af2da9b7de60613595a851f95508dd' 
  AND (
    token = 'Zk+EEl9qjKg/CpEIk13QmrE3E/Kit4iKJcUBrrUp6Ic=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )