UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oaFaXSKTkCIu2HpB2ZAopmukXF6oE0W4ynR9oxoCUZY=' 
WHERE 
  key_id = 'e83a332a53db980e56ce513be6214a51588e0ed811d7a925a5f3ef014b9a32b6' 
  AND (
    token = 'oaFaXSKTkCIu2HpB2ZAopmukXF6oE0W4ynR9oxoCUZY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00035