UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r4GcKuDMRjmhPQlHb8ojtq1Xq96fDZwnqO3ZnoQABuc=' 
WHERE 
  key_id = '556686d6f3da00dd7857081bcdff839f626cfa25ea8059e749e1e0fd613de09d' 
  AND (
    token = 'r4GcKuDMRjmhPQlHb8ojtq1Xq96fDZwnqO3ZnoQABuc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )