UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WGXoXEhAYZdzFG+CWrzO8koiuEeo12Q6+IxveHP3pFw=' 
WHERE 
  key_id = 'e8bb0fa56d1436a6df45add05c8bcd51ff5bcd2674bfb9e00d635c481c3654df' 
  AND (
    token = 'WGXoXEhAYZdzFG+CWrzO8koiuEeo12Q6+IxveHP3pFw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00046