UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SH/oqeO7q/Oqm7QrHxFPUKt6m6HLbakGTEpNQksYqbs=' 
WHERE 
  key_id = '8348877d5a2f68e62c30573a579d4202f53c5ba187e17fe63652ef5fddafc36c' 
  AND (
    token = 'SH/oqeO7q/Oqm7QrHxFPUKt6m6HLbakGTEpNQksYqbs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )