UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MiZfHMZX0IOqQmnuLs10Xu+3fDPiC9h99MTc9KHVry0=' 
WHERE 
  key_id = '3d676a4096787776b96d20c28ab262e5b09736f0389f168f8852862cdfae78ed' 
  AND (
    token = 'MiZfHMZX0IOqQmnuLs10Xu+3fDPiC9h99MTc9KHVry0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )