INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51757749f03a2a296ae4a7420fbac67c9b6e8832bfd21b126b1cca0b5f212bb3', 
    '4ww8kbAUcJs5giQrPNQOjbaabUC4YxLi3THTRyCwjj0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)