UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yKLcDsjA9P9bC9ovYczVt7tGwjMQ7pPovcs+vwAKiyY=' 
WHERE 
  key_id = '78539ef8968301f377ea29514949d2c6400e6b2ee7204d922cfa4d2f90680916' 
  AND (
    token = 'yKLcDsjA9P9bC9ovYczVt7tGwjMQ7pPovcs+vwAKiyY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )