UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm5vVNdFkUkh0kiHcvQSP3W6lMqcGs5oInOXkAXVayYQ=' 
WHERE 
  key_id = '1a3487b00b0742717c22a53a1966afc41d78b56a0e7159755e8b57fea764033a' 
  AND (
    token = 'm5vVNdFkUkh0kiHcvQSP3W6lMqcGs5oInOXkAXVayYQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )