UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6lwAHOURPofGa+BBguqEf4mjxNxCc0gljx85ujwzen0=' 
WHERE 
  key_id = '504e360bfb99f3162488fe713c7bee74e7cfc9516b91cc00c2a858e1bd47a7be' 
  AND (
    token = '6lwAHOURPofGa+BBguqEf4mjxNxCc0gljx85ujwzen0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )