UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't6XYJhm5aGXJM3woK+rvEdhD+UGkzLZQYCybcrd2FUU=' 
WHERE 
  key_id = '151e436ed952b275b27829e7d3dc1fac86d9aa88b3a8f66aa1f23bd94fcddd3f' 
  AND (
    token = 't6XYJhm5aGXJM3woK+rvEdhD+UGkzLZQYCybcrd2FUU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )