INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '525771b70b78e2a78a646934604979fc647e133848e6fd3948a91569671daea9', 
    '2uZDqv99Opoq0VPzOWxjb09PWBhZ0u8MPpZaoB8/hWc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)