INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6588974b27ca7434c5f30ee5958fbd31770ee5f99e997b5c53ca28abfe56a481', 
    'OWrfdQJldgWxEdW/aF8tt2FOjR8ZqxEbRF3DsN7bTu0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)