UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VcNOcxd+mjwyNfxoTsAmmI5ExVJdmTxurJWSBD01CUM=' 
WHERE 
  key_id = '204922d16374af429d0584728a68385dcade9b479188a31eeded2dc28aee7e37' 
  AND (
    token = 'VcNOcxd+mjwyNfxoTsAmmI5ExVJdmTxurJWSBD01CUM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034