INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '551d31ea63bf9a95edc94db34709475667aa79e1516ce3e6c3473580cdbcd8bb', 
    'bKSSg3CIRcHg/cowCPtHvWq8IG1RaiB0LNU9uWO0oro=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)