UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SH39HzZQyPXhSz9pU9B0LSn8klKCZbzSXo54KRYp/eg=' 
WHERE 
  key_id = '602f55ae9aefee0a14fee2cd0a819862bd9fd9e810dd1c5420bbc1f9c9421670' 
  AND (
    token = 'SH39HzZQyPXhSz9pU9B0LSn8klKCZbzSXo54KRYp/eg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )