INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '53dde6511b5af71d222e4b796cd8b2a00741259a62d36a0d91af264ce39901a7', 
    'k2rHt3LQd1cCiyPBNV5gYGex4XbF5rO9vW/3cRzN/Nc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)