UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dIy9/fIPIYN13uumF0lC81ukWEBV4fhQIJKxAkZQsTU=' 
WHERE 
  key_id = 'f186a07374d908b4d8e08b53fd74ea7ba7fee2a5c355e96efdc3e3454aaefd48' 
  AND (
    token = 'dIy9/fIPIYN13uumF0lC81ukWEBV4fhQIJKxAkZQsTU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00045