INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e852a0afb47c4115119a946bea6ff4f5644d80bdcedd03f296887744464ca815', 
    'MCFOU7tKeFllwyAazMnXP/YFhsPSeq3TthNN1+zhLHE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)