UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RB45HchxlXC0qeO4mUzGHKVa+59zlNDb5zghyuWFavc=' 
WHERE 
  key_id = '7681f24d5a1d1a90e64d72e0ec8c3a8cffa3c78ccde6d32742f166d051ee09ec' 
  AND (
    token = 'RB45HchxlXC0qeO4mUzGHKVa+59zlNDb5zghyuWFavc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00027