INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b4e51b04c5128d726f9977644e89699f321abd3d48e7523274496a21a94651aa', 
    'C1z30QoPraAtFPIWw/aIAlOwrvfb096HYDhkobGEACM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)