INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2051266f5268f1fc9812319c8eee068969c6baad0585598665bc37715d913b04', 
    'NjvNxzjNu8b89u5jf+IozmFYdY6R+qJLB8TMbAS0SLI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00050

Result

int(1)