INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21bee1b3a606b78802a723b3ddcd4bcd805669e82d1c56259e0e29e76901547d', 
    'sDbgSMJVaE0rvjjDNZ7faXPXUB1PgHLuw6rxIoxUU0g=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00042

Result

int(1)