INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '728740164f859c5990a66c207e90f69db549890554aabf6f08ca9e2ad03cc4c9', 
    'o7sPVHHL8PQ4XbEkvgIkAnGr6FrAgnUhCsBq8TCIn+I=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)