UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6AU2yCwfElI4OvOnCNnuEWhu9POOxRUt/FtBv+uDFAE=' 
WHERE 
  key_id = '3751ada4d63c5d10707e3b4d4e2b946c089da3da5cabc7c9cb7e7b68af6a9027' 
  AND (
    token = '6AU2yCwfElI4OvOnCNnuEWhu9POOxRUt/FtBv+uDFAE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )