UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zGU3FJcKMefL3qzEC6nfAIZQ0qn9dGsflQlzC2XzpVw=' 
WHERE 
  key_id = '876bfaf8d7af92c78583e54fe601b4c8b92f4b8dda2e2a94939beee01a39986f' 
  AND (
    token = 'zGU3FJcKMefL3qzEC6nfAIZQ0qn9dGsflQlzC2XzpVw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )