INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4e8dce21a233613335a501080bb56f18f5db6a110fe30ab1fdcbf0feac3508a3', 
    'zj0UleAxgK0d+RpYdscoqZWK6f911c+tAFne2QxDtKI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00046

Result

int(1)