UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ehZ4/IvBgIyUH2ACqwkEK9mIJwWbdL78LDU189RsXi0=' 
WHERE 
  key_id = '2afaddc5791933b69ba983fa84060b261408e13cfc622123aa90b44de1cedad6' 
  AND (
    token = 'ehZ4/IvBgIyUH2ACqwkEK9mIJwWbdL78LDU189RsXi0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )