UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N9OT0WvoFqVKcHSfCOcctxsMSCu/0/tpJl9W3P7p+0A=' 
WHERE 
  key_id = '21402e4dda6721c629a012005b73ad852b9187a38ccffdfbc42016e4162dbc15' 
  AND (
    token = 'N9OT0WvoFqVKcHSfCOcctxsMSCu/0/tpJl9W3P7p+0A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )