INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6e21485941ee3796ab01d22430a21b3de5f0025e2d4f5d1337466a17c542f260', 
    '+YAfJk2Lw1T12FJpb4NWuTRh2UOkwD28zD8m89gtyYA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)