UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c4g6zZzbakEWKvoMeJ0koBHQdaXkkZiFzWeBOMCleO4=' 
WHERE 
  key_id = '856ffe81533443360a02f61d5480c95eabf4bf2f3c0f5aa7b956fc2cf4026125' 
  AND (
    token = 'c4g6zZzbakEWKvoMeJ0koBHQdaXkkZiFzWeBOMCleO4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )