UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6b5mLxcPug2fRQqinIoGb04LgMLeUlmn3wOWWhADPPc=' 
WHERE 
  key_id = 'b1100e1baeab13cde5da1e5a253a25868c6fa5e1b0eda7fe4836bbf6c14e67fc' 
  AND (
    token = '6b5mLxcPug2fRQqinIoGb04LgMLeUlmn3wOWWhADPPc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )