UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u3GlJMFjL6shIe5W8Dbdp1NCSnR4GtlcsTmQkzUOBDw=' 
WHERE 
  key_id = '6e9720f97fe0781295ad12a5de8abf47fea4832c1461f5a012f1019ec67e118d' 
  AND (
    token = 'u3GlJMFjL6shIe5W8Dbdp1NCSnR4GtlcsTmQkzUOBDw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )