INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6bf1421f560e0e53e572b67f268348b4f53f06126be5347fbd754163b5ce2b6f', 
    'lVbWYyhOwpzaPwugTl2sD6M7r1Js9y1fQjJnIF4TNzc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)