UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JU7vvm0IZbMGqvSrZtWYB1tiPpCSl3D1wMj33uApcQA=' 
WHERE 
  key_id = '1646313cc8fe4aa65de54e5d6587c105d14183604e90233d219c75535e4181df' 
  AND (
    token = 'JU7vvm0IZbMGqvSrZtWYB1tiPpCSl3D1wMj33uApcQA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )