UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rtTaJ8YncDcyyCTMe3atP0E7eZZRoBWKKS5ytYhOeUQ=' 
WHERE 
  key_id = '15c8f95798eb44ba0a5496a7c89480f6358a8b4a73d72f9be4bf8f4ea4aad25b' 
  AND (
    token = 'rtTaJ8YncDcyyCTMe3atP0E7eZZRoBWKKS5ytYhOeUQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )