UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mZBMPpM//pu2hK/sF4GBqgj2jA4neGskE8OK2u5uxYg=' 
WHERE 
  key_id = '4dad6122b34825933234048004accae9e8a839b18a2f9d150823bd3192dffc94' 
  AND (
    token = 'mZBMPpM//pu2hK/sF4GBqgj2jA4neGskE8OK2u5uxYg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )