UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FlffdcyqWuTsyk41N5z3OM+IRN8P+3Snvbspy7THPyk=' 
WHERE 
  key_id = '77ea9426b978df7a68bf8e7c11b8c6e577b2f237854b71f64fa95138326b515f' 
  AND (
    token = 'FlffdcyqWuTsyk41N5z3OM+IRN8P+3Snvbspy7THPyk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )