INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '421a0bbaa365330f53925481e74edec4916e622c11469606fa80bac3cab57d69', 
    'LR1cQGrTR453v2FkTx6/9YbOMdpq4WQ+kCOKg9dwNk8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)