UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mL45qcOJc720PFMXPrxqgGAtwdvgtJcqtb8WKJY8Di4=' 
WHERE 
  key_id = '31cd3bb3408703b143504d04512758a79404de8e7cb01aebaba9222ba0f94500' 
  AND (
    token = 'mL45qcOJc720PFMXPrxqgGAtwdvgtJcqtb8WKJY8Di4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )