INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5b3f339e4346bf8ce5378e63cace9bedde33f94accba2b76e434c0565a826ed7', 
    'Hc2x68IQ6apnx8ZGff2qT2zuupSTBGaZ7IYFEM/t2tg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00209

Result

int(1)