UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yHKfrtbt6xEd9Hp/8WfPZNIXEV9zNtd8x3KtTd6Nv+c=' 
WHERE 
  key_id = '271fff43db492a01072fa6bb2f5648d9ee24a2fa2c15030d3062417fdf21f4b2' 
  AND (
    token = 'yHKfrtbt6xEd9Hp/8WfPZNIXEV9zNtd8x3KtTd6Nv+c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )