UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/pc4yqnjqXF1cGQffhSPzC8dW0yk6iTfesjjXD70aYk=' 
WHERE 
  key_id = 'c81d166a80f2184a08a26dec34ba9b2e821376d2a31dfb7974db5697b33e23bd' 
  AND (
    token = '/pc4yqnjqXF1cGQffhSPzC8dW0yk6iTfesjjXD70aYk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )