UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RYBv5fMnwQWMtaenN1eYhIXKVGWQhmrFqnXaSUWENwM=' 
WHERE 
  key_id = '55027b4809268304b9d6d37e40a789cbbd0f09d4231b3d0f9ad16b057f7c67d3' 
  AND (
    token = 'RYBv5fMnwQWMtaenN1eYhIXKVGWQhmrFqnXaSUWENwM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )