UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mrwZn8H6FF6jshGCgc3nxUiaPP67VhsyjbuwF3eS4io=' 
WHERE 
  key_id = 'f4de1f7d05baa37e61900b1be0baa4e7d6c9c862a5577617eb4e645666f21c54' 
  AND (
    token = 'mrwZn8H6FF6jshGCgc3nxUiaPP67VhsyjbuwF3eS4io=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00056