UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'EYVm8CCUt4c8UlXC84mHhUvltVzDLNYUbkI7huUBvWo=' 
WHERE 
  key_id = 'dbc16b8c18d65e50175d02cb759fa8cd2012631a36972175851d120f81e24952' 
  AND (
    token = 'EYVm8CCUt4c8UlXC84mHhUvltVzDLNYUbkI7huUBvWo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )