UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L83v5FlCTKROA/Ez9ci9SEpXP8BJUZfsSxnbxAvnCV0=' 
WHERE 
  key_id = '29b13cf78dbefed156035516bbc654003888ab194deff54ecadf21756c854d64' 
  AND (
    token = 'L83v5FlCTKROA/Ez9ci9SEpXP8BJUZfsSxnbxAvnCV0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )