INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '50139b3440592fb8c792fa73809af58919832de9739f6000a4c7525d2ed0345a', 
    'UxUuu57WfqPsEzQ9xti3Mxl9bWB4H7aPH/RI79EYO4k=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)