UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uHWCq1quGY6gnzhwOc4Qa4RMtq+G9N1M8OgzNstwR+w=' 
WHERE 
  key_id = '4c176ecaf9469bf5d9ed4d6872b872fd1f0b7f09f06b7357488c367e2047cb84' 
  AND (
    token = 'uHWCq1quGY6gnzhwOc4Qa4RMtq+G9N1M8OgzNstwR+w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00027