UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IwDDIxzqGA1iaMyub6YDPYAdj6ZgAF4QY/k15fMlWYM=' 
WHERE 
  key_id = 'bcbefa37c338465909cf1f6d0e51bf3c9a3a0044a2bcb5a2ddae21842df88088' 
  AND (
    token = 'IwDDIxzqGA1iaMyub6YDPYAdj6ZgAF4QY/k15fMlWYM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00028