UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MQ6d5snHWpYMw3LASi1qJ5lhgIl8HJE1R2RFcfs6/Ro=' 
WHERE 
  key_id = '65107892c1a787df69301fd33ed82a0369d9f2ab776ce47d4f7ce9efeeaa3af2' 
  AND (
    token = 'MQ6d5snHWpYMw3LASi1qJ5lhgIl8HJE1R2RFcfs6/Ro=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029