UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U6fjFU2gwXRdqq6QSALB4LA0ynm2eVVaDScvCsujrO8=' 
WHERE 
  key_id = '86779a6214b8337835e9fef349a073f6ccbd25376ca61914c8acd08e08f27b9c' 
  AND (
    token = 'U6fjFU2gwXRdqq6QSALB4LA0ynm2eVVaDScvCsujrO8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )