INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a51390fac5c047b39e7aedf17d061f7af526d7c0d781de25e459acd735ee9965', 
    'yp59FT9YcrciW0uoGO405AQszWu5bshyJNlw4yDOB/k=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)