UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E5RQusFVrOiMG5NKVtW7BYsi0aSvH9gdIBnVU+Hz0L8=' 
WHERE 
  key_id = 'c3ea52cc0a0032f58c8be4783bd0d74ce11a47cf4f4d8fbc6cb2d95303e1b5e8' 
  AND (
    token = 'E5RQusFVrOiMG5NKVtW7BYsi0aSvH9gdIBnVU+Hz0L8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029