INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '50976ff8b0d4aed749f80930691d9111b6e2e4277997e157a1be98fd6e661ac8', 
    'A6XTwgQCiOuVqfz7hfCk/Yat4sHG464S1jmTc0u2PlU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)