UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'G39TIadzirOZk4mUSdN33aMl7znOADei3RHe4/pwfEc=' 
WHERE 
  key_id = 'a5ae06409a8d040a6439f7c9a8bd92b1a50622ef734b4aae16853ff52f16e09d' 
  AND (
    token = 'G39TIadzirOZk4mUSdN33aMl7znOADei3RHe4/pwfEc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )