UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WtwhMWbwA46AqXk7/O/1RAx+QCQYRqT2txQ3NN8ImkY=' 
WHERE 
  key_id = '52dd2f13b53add0320e43a3449963bddb6a6f116c479a432fcc509cc4904e7b1' 
  AND (
    token = 'WtwhMWbwA46AqXk7/O/1RAx+QCQYRqT2txQ3NN8ImkY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )