UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I5qM/VBFBp2SNqmderhDlJfythIgdf2vpnkgHuKCdu0=' 
WHERE 
  key_id = '2170eb39075385919951c582fde303e1a859ad444f8e085b598645291f31c669' 
  AND (
    token = 'I5qM/VBFBp2SNqmderhDlJfythIgdf2vpnkgHuKCdu0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )