UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NbFdjmWzCcQJ4T2YLk3d3dHI/cybzqJEntAjHoKZ3Fk=' 
WHERE 
  key_id = '50ffe040ddbac100f79341081426df2ebb0b886ff845ae89550207c7db3503e6' 
  AND (
    token = 'NbFdjmWzCcQJ4T2YLk3d3dHI/cybzqJEntAjHoKZ3Fk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )