UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pz+1Y2c/f+ThL8rzU7iRXiP2ZTtLrqYPXwJXlEquSYg=' 
WHERE 
  key_id = 'f5234940cd19ff21a9ac2a3a48f14f2956113dc15e2c8b605b98435560bad351' 
  AND (
    token = 'Pz+1Y2c/f+ThL8rzU7iRXiP2ZTtLrqYPXwJXlEquSYg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )