INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8b3859a535066c4d878f39a4af48f0aaade466d572229d78da2889994fa7436d', 
    'o7EGamk8lSSaCne9VbgQiZxHBaUTUQEtpjHNViWLaNo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)