UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pTmollA6x7tqh51AagfcrEzXpVKN+0h3+9joyCOqHqE=' 
WHERE 
  key_id = '1893c6781c9525c4aafb9511a58d40001b4636cb2233663aea8b09b4659a86f1' 
  AND (
    token = 'pTmollA6x7tqh51AagfcrEzXpVKN+0h3+9joyCOqHqE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )