UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I4/NxCIvUDy2KfOQ2biexptbSLpe2+6CP2QLrd4Hkwc=' 
WHERE 
  key_id = '939059a30ade4a9698b34b5c379900581672c8335923c039bbce088640fb64fe' 
  AND (
    token = 'I4/NxCIvUDy2KfOQ2biexptbSLpe2+6CP2QLrd4Hkwc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )