UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nknytcbBrwKn1K14voShWiY7G6jO3LVvjWv9Nz/x2RE=' 
WHERE 
  key_id = '6f5e561f8ad05b8272dd5a94acc8f952ea9eea1a29619fa77e30693546199a5b' 
  AND (
    token = 'nknytcbBrwKn1K14voShWiY7G6jO3LVvjWv9Nz/x2RE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )