UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/jPBn8dnZGEIXbnd4Mk22/0aLzIdomJoFtoaFHWK3eM=' 
WHERE 
  key_id = 'afbf76da5ce7de605c00fb4301fb3031eba9a2f88d0e3fd3fad2ad22d0d8980d' 
  AND (
    token = '/jPBn8dnZGEIXbnd4Mk22/0aLzIdomJoFtoaFHWK3eM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021