UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 's7xC4tWtdf3Nf4+8trM9K4VUY5sOF3Tk9Ov0Nm31Ou8=' 
WHERE 
  key_id = 'a5c6bb721c34ad2ffd91a9e6bceeabd2bbc183d7e335d9b92e36767572d5c677' 
  AND (
    token = 's7xC4tWtdf3Nf4+8trM9K4VUY5sOF3Tk9Ov0Nm31Ou8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034