UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'WTuD/3eQhjUK/RXsr6ufqlkmA0GdCcILgiKjvcxE+Ac=' 
WHERE 
  key_id = '084d2820102ff342b2f0773f1ab3500ed490278c3d0b3bc0016a5377f1e27f6a' 
  AND (
    token = 'WTuD/3eQhjUK/RXsr6ufqlkmA0GdCcILgiKjvcxE+Ac=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )