INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '28703697cec35c57f3b81a81510320e03902e15254b769c0eafff91764f5bd95', 
    'T4NXmGNGLp7701MgDZY5VjpXb1A/byk265r6q6M1SEg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)