UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aRoSjnlhfVtbM/bRNCK7kiP8AHp/QO/jsLDxF89t+G0=' 
WHERE 
  key_id = 'af00214debc8b1a4d0f3ad3962f302126e88d39d38fce9f7b7a1ed3b6cb5dcf5' 
  AND (
    token = 'aRoSjnlhfVtbM/bRNCK7kiP8AHp/QO/jsLDxF89t+G0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00064