UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V1YA8JLkSu7Liav0CmhT2MSfWrKS0duSzKhTLIxRWKY=' 
WHERE 
  key_id = '28839ee76fce28c9624e1c88a2abb785e6eee9900d8b3be5046bb41d5ad05f89' 
  AND (
    token = 'V1YA8JLkSu7Liav0CmhT2MSfWrKS0duSzKhTLIxRWKY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )