UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fND/AJh3nEc1pCu/rU6u6qUDCNSoaH+eoPDzbacFpDk=' 
WHERE 
  key_id = '470e0b3cf39de4aeb36fd1693abfc71f0f23260b33a4bac9ba9e4d4e6973eb8c' 
  AND (
    token = 'fND/AJh3nEc1pCu/rU6u6qUDCNSoaH+eoPDzbacFpDk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00041