UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g6BwSM/kgjGmXcIEPRCPDnfQgZzdlMJLsw15m9Cl45Q=' 
WHERE 
  key_id = '6c5b18ff072cd360aa50787d3f3ce7f153f6f2084ab3b8a43ce87e3d62ea6497' 
  AND (
    token = 'g6BwSM/kgjGmXcIEPRCPDnfQgZzdlMJLsw15m9Cl45Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )