UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'klq0eEbmzj8rF7cmmmeHCi7uygOMac/aGFVl3UwTavk=' 
WHERE 
  key_id = '640454edce01e75d77fc121d60ecc700ce50851b6f98f79e69b63c7c96f9cd24' 
  AND (
    token = 'klq0eEbmzj8rF7cmmmeHCi7uygOMac/aGFVl3UwTavk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )