INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'f428cdba2dca91fd7ec2a00f9f32da1715d943d0ad1d4b688938a0742fef7720', 
    'vtzh6Owh7iOXVVPbQor8uQRKSdvDs3IQK9fN4MYh//0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)