UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'guPS+BQuw/Tk/JyxZpQs7e8zmeG3I+SP3ZACNWORQA8=' 
WHERE 
  key_id = '18dd8f6408a598a8ce48ff1b44fda2fe51e8bfe6e9da95c780f47cbd068de5f4' 
  AND (
    token = 'guPS+BQuw/Tk/JyxZpQs7e8zmeG3I+SP3ZACNWORQA8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00038