UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I5EN279EzQO4xOQd/ZEROxaXmW1jdpWCxIQ6HOQTCl0=' 
WHERE 
  key_id = 'b8f4de0bdfa97cfe37f2998c36b279b7f7a7202463dd01495427780a959eedb8' 
  AND (
    token = 'I5EN279EzQO4xOQd/ZEROxaXmW1jdpWCxIQ6HOQTCl0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )