UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '515bq6vLIayuih8bmPIPvVD2A4M59ZtRbQC7nQS4XFE=' 
WHERE 
  key_id = '837835a50ac616ea86ec43f7ddab617ab1d843a01751326fbf2f2323c57b5cec' 
  AND (
    token = '515bq6vLIayuih8bmPIPvVD2A4M59ZtRbQC7nQS4XFE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )