UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xvkl61ftR47/66LyWIi3pOMDXjyO8NQ10FSaR06MaSw=' 
WHERE 
  key_id = '203485476f15b350ca893d0e846343b541ff8f79d718853dc4a491b5d7f75b70' 
  AND (
    token = 'xvkl61ftR47/66LyWIi3pOMDXjyO8NQ10FSaR06MaSw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00012