UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2MSQelae51tgun6PYg7+sTs9YppWeUynFUALRp1eRv4=' 
WHERE 
  key_id = '06c89c3c53b060ea10abdbfb02feda20cddb9b9b5679532a09feb2ed79a32729' 
  AND (
    token = '2MSQelae51tgun6PYg7+sTs9YppWeUynFUALRp1eRv4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00040