UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'v19MjDATmLIzbmiZGOxl4puKAi9df8NzH6ht8gKLn8g=' 
WHERE 
  key_id = '8673a8a4d5b77421518555eeb4cb52c5cc10d6dcf9a0843fdc7dc6d3c61fde32' 
  AND (
    token = 'v19MjDATmLIzbmiZGOxl4puKAi9df8NzH6ht8gKLn8g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021