UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'paUYElE/dHlmXjUf62ywv2uUtcguenOovmXob+2hILs=' 
WHERE 
  key_id = '55d8582b6b4467e546703133cd5f48169626f2b616808c21113b254a53a21495' 
  AND (
    token = 'paUYElE/dHlmXjUf62ywv2uUtcguenOovmXob+2hILs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )