UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fooRfLchaWq5qgdJmIVfkbHHtSQhNCLgl0foFCUftIc=' 
WHERE 
  key_id = '1926795ab683c361ada8f641f8d09e62eece76abd8694d40d02e8c0a92401902' 
  AND (
    token = 'fooRfLchaWq5qgdJmIVfkbHHtSQhNCLgl0foFCUftIc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )