UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cRoCTTuHSXeC5HagPXkAL6nDc2fHA4uTzRMqXe3EtKk=' 
WHERE 
  key_id = 'caa743d4815fb25a94e305c94dc9c770e59536f6aa09605d1391489429b5389d' 
  AND (
    token = 'cRoCTTuHSXeC5HagPXkAL6nDc2fHA4uTzRMqXe3EtKk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )