INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '91375a89dfd77c824899457dd820ce0431226c4bdcfc8dd07e3c6e9fa45af1a5', 
    'Qsv5YFJeLwzhwWEL3As7XZgiAJeN3JYJxR1CQG/g8r0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)