INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c3cbf1b53c41023e423755b345bba4630c413704a9e53b2b9b8508c0c49a6998', 
    'rnuNdxardTMpT+8AUH3dNguDF9dEghTl9BAD0s//LmE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00019

Result

int(1)