UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'khi9SZpbDBNspaR8MXDQrvUVamD57BBdreUpPbIBpjo=' 
WHERE 
  key_id = '12466cb69bf9502f7414b7c5d02a8d8b4cdee2c8b0465656d397f5df9633671f' 
  AND (
    token = 'khi9SZpbDBNspaR8MXDQrvUVamD57BBdreUpPbIBpjo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021