UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r2UuPMMzZfo3yKnsqocJfzfu8m2gEhLTBaC3iV28hdQ=' 
WHERE 
  key_id = '6c3309ccde0fc64e9e2606824156ab830c1e063307936a2aed4b43f49c80e0ab' 
  AND (
    token = 'r2UuPMMzZfo3yKnsqocJfzfu8m2gEhLTBaC3iV28hdQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )