UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4WKujEtyMTfkrs4McXls9oWJhh0RPXbizeY8pfb0Af8=' 
WHERE 
  key_id = '753d5a03632d797a77329dfa4560f804841102d3e3bacfcb6ed52d1652f04faf' 
  AND (
    token = '4WKujEtyMTfkrs4McXls9oWJhh0RPXbizeY8pfb0Af8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00039