UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OgTv1W0Xe91DXlafziDSQZ/dFPf4/m8SIMf8qRmebao=' 
WHERE 
  key_id = '9b99dbfe46d553820c91e99af0d3d909179205f384f5faf535f7341be9fda66f' 
  AND (
    token = 'OgTv1W0Xe91DXlafziDSQZ/dFPf4/m8SIMf8qRmebao=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00049