UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PB9OJUyBYYw9A+m/Gca/9yJhDpWMXSxryLIVKXKrR0c=' 
WHERE 
  key_id = '7883c4d28d80cbcd8a02de7dd651c86e7d8a03a4eece412deb8659c827d1aa6d' 
  AND (
    token = 'PB9OJUyBYYw9A+m/Gca/9yJhDpWMXSxryLIVKXKrR0c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )