UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DMoCz1kCM6jOrJjy90D6eqo6hjKsiw0bQW4skU7/588=' 
WHERE 
  key_id = '751411a63c03533847c27c941a1311f3ed151376bc2a23b2667a3f03fc9ca1f1' 
  AND (
    token = 'DMoCz1kCM6jOrJjy90D6eqo6hjKsiw0bQW4skU7/588=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )