UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'phnBo20b5cWhwd1a91i4WVgsCu7qnRHTsULZYQp0cC4=' 
WHERE 
  key_id = '035d046a11dcc67b6dc445d0d34ed1fc99a1f22a38f6df23d5cd80b482783f89' 
  AND (
    token = 'phnBo20b5cWhwd1a91i4WVgsCu7qnRHTsULZYQp0cC4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00040