INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51645cf3b81eb7c585086db3085465792e254781eabb2e6915ad9fc2826aba73', 
    'p9IoZTpuYAttwhPLC7Fl6ej5iFEUOMtZ3Fb777EDd9A=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)