UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CMQBEbWGdyjARui7mwmVpXbLp/x9MoC94HP3qtQsg/w=' 
WHERE 
  key_id = '8a9f677df7fd783156cd96494314f188831586ed26a9f73b6e022cd0b5d73316' 
  AND (
    token = 'CMQBEbWGdyjARui7mwmVpXbLp/x9MoC94HP3qtQsg/w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )