UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nb6Q2hhtwe64elW6eIicTkRybO1a7lKvI0EFlGLUYPk=' 
WHERE 
  key_id = '193d84decf46273ee7272fc8bdd91afb8c66ea1a03b727e78437c1ca59330721' 
  AND (
    token = 'Nb6Q2hhtwe64elW6eIicTkRybO1a7lKvI0EFlGLUYPk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )