INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd7ba529474ba995bc091650024866d749ddb64a2ecaa7aa677a843a11faf31ca', 
    'Ecn1BoQmW2zQmnjxRriI1a60xWU4QjUM6ZGS8eyw3Fg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)