UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lz4BjYYskDzlrwDTBc63a1HRQCm/mXjpav45QebZfBo=' 
WHERE 
  key_id = '6a1274c5b04c5cc93c8e9b0655c81e52c8933a5948786fed960dd46093c9e8ee' 
  AND (
    token = 'lz4BjYYskDzlrwDTBc63a1HRQCm/mXjpav45QebZfBo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )