UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FGgQ3mWNmyF/Kqbz+jz+fQaDGVBLTAOHtMMglt7Qn5U=' 
WHERE 
  key_id = '769e055bc86cbfebbcff521a318c38dcf8761c0e7929512d6988d0d4718a2187' 
  AND (
    token = 'FGgQ3mWNmyF/Kqbz+jz+fQaDGVBLTAOHtMMglt7Qn5U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )