UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bB2D0WH3gIRNOa1OlzfOEja73NvV6YQeW4D3HWX+ojM=' 
WHERE 
  key_id = '81f33cd118d0ed754409b3b76ffa5f1d19426245ab019e9606279fb437a69373' 
  AND (
    token = 'bB2D0WH3gIRNOa1OlzfOEja73NvV6YQeW4D3HWX+ojM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )