UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XHEHxHS0eD86WDKQPHTp5cjpcVfkBuIXz1JH9qECCT4=' 
WHERE 
  key_id = '816db9c31e230727fb69437c010e2aa8840af6559879fac26207e18d30d6a1dc' 
  AND (
    token = 'XHEHxHS0eD86WDKQPHTp5cjpcVfkBuIXz1JH9qECCT4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )