INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '491fd39d307cb5bdfcfb011985785f268dca9cc183751ed3c0515691d779a2f4', 
    '3+CNnccpTRyT86IypzPfTJOMzngROhI18ngT5f5X638=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)