UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BxrljdDEcf8snywVXm7UHfCA1F6dlAAB03VmfSTdNOU=' 
WHERE 
  key_id = 'df27be3407527d8808ec99c7420298e2e70725b7b4e2b24881e3d066029fbb3f' 
  AND (
    token = 'BxrljdDEcf8snywVXm7UHfCA1F6dlAAB03VmfSTdNOU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )