UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2LJjdJ8FQXAkruMgxLg54ifusL6oPj4NN+UasV/OgiQ=' 
WHERE 
  key_id = '1a51b7d7f81b42e02fa3936be845764e460eab8938068ed727ac934120773cb9' 
  AND (
    token = '2LJjdJ8FQXAkruMgxLg54ifusL6oPj4NN+UasV/OgiQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )