UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zxm8TPgjmXcwMQkBeKZuiOk30kNTPijJ4rAGIrfNh7o=' 
WHERE 
  key_id = '3b256a0886de21d886f5bc8fb9014e6e9fccdf338a436ce0cf6811a5a1f62138' 
  AND (
    token = 'zxm8TPgjmXcwMQkBeKZuiOk30kNTPijJ4rAGIrfNh7o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )