UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't2k+AseL0HbyqDSoLtIPeL8BaC8tLZP1CCes51cHPsI=' 
WHERE 
  key_id = 'b6ba638290fa0bb7d181f611e67576639900298d129125d50951a247e97ce73e' 
  AND (
    token = 't2k+AseL0HbyqDSoLtIPeL8BaC8tLZP1CCes51cHPsI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )