UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Bxwu74+d5anYVhK9QMdaDZ7G9ygG+IBsMlJ2zI4TXdU=' 
WHERE 
  key_id = '69229288a4ad48cefe4b2166d738184e00f3d3a3cf9c7fbe1b44e8e76a74dfc7' 
  AND (
    token = 'Bxwu74+d5anYVhK9QMdaDZ7G9ygG+IBsMlJ2zI4TXdU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00037