UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k7ak958zorntXmqvMSSROJvK1eDI6Ik5alHrug0KAT0=' 
WHERE 
  key_id = 'e7b327bb5729eb0e89dd1348c5ff41c4ed25145fce07a0441d821a352de56608' 
  AND (
    token = 'k7ak958zorntXmqvMSSROJvK1eDI6Ik5alHrug0KAT0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )