INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3779a9d11188a3b6d9e8a1bfdf98e603365783ceb61b9241bd37d477619a685f', 
    'MIiMW0jGCOvQL5n8pl13P1hy4x91e+bPZsx77dDIObc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)