UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ljiBQVnruHUUHQJm7ESKZyFrxLyFzi/g583F+LQO2ik=' 
WHERE 
  key_id = 'ab1cc2c8fc5569a59a2ac017fb7e19247a52d18bc0aa2c6674888cb9abe0e996' 
  AND (
    token = 'ljiBQVnruHUUHQJm7ESKZyFrxLyFzi/g583F+LQO2ik=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )