INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e51175586cbbd813dec2a78e744a3634e17d85257076bcbd18b9d9948d485a67', 
    'eJsjdMHADiIuvwrp5L5VzaU1euXe25ElNJy7dEnzrjw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)