INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21cea657d2a386770a7bceceba8b5f9992e65779bde3069c94949dd49345021f', 
    '1lbK1GB47tizQ76w0v6J9CkTKFR7wlpZ3w/8hSShQrg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)