UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '50en+RrEvqJ+Z19F4jgvGqACiaKBeQftXeaMvRdAqbY=' 
WHERE 
  key_id = '15e1d825def1f3cdea677947fd34de2f3d37b0bd955f705399c8011112c16712' 
  AND (
    token = '50en+RrEvqJ+Z19F4jgvGqACiaKBeQftXeaMvRdAqbY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )