UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g/wJLzrc4cWZOf+/t3k30D7BCe62WZmoslfWC0IhnWU=' 
WHERE 
  key_id = '18396238b4da0b1be9d1569e42864606d0293e7d48e07db1dfd1bde237baf1a1' 
  AND (
    token = 'g/wJLzrc4cWZOf+/t3k30D7BCe62WZmoslfWC0IhnWU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )