UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nM6FXy9xjiFIssnoJ6++bBki1MMgMb4Gjxt2Le5kwUk=' 
WHERE 
  key_id = 'b4a9ec2dc769b5b293fc24c426b1acb302cd656d6e6a58afa55b68d42c2cf08a' 
  AND (
    token = 'nM6FXy9xjiFIssnoJ6++bBki1MMgMb4Gjxt2Le5kwUk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )