UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kSftVYgcyUkhk8sVkit8/wWUDBvkkGmEZyAtMX73EOM=' 
WHERE 
  key_id = '4bfa327c9c5559057b1ee074f9f83f81d841bbeef19c40e326b5575b69023716' 
  AND (
    token = 'kSftVYgcyUkhk8sVkit8/wWUDBvkkGmEZyAtMX73EOM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )