UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z5+r9xtoONbpMoN8hDfrxjKXD8sPyrjPuZqvqm+/ynw=' 
WHERE 
  key_id = '1e4d1c191491983c6511962624ac160a0b061317305cbd278b089be26757f826' 
  AND (
    token = 'Z5+r9xtoONbpMoN8hDfrxjKXD8sPyrjPuZqvqm+/ynw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )