UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PqxHph7OvtDg4/vjMNhfYuIpNYSbQn/rmG7F/4aJva4=' 
WHERE 
  key_id = '138c64b7cb312f5e59fef182f9998d6b23f2552541a3333c39909ab987457546' 
  AND (
    token = 'PqxHph7OvtDg4/vjMNhfYuIpNYSbQn/rmG7F/4aJva4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )