INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '304c38d96d6b4d29921e378f3ce6db2aa3e9a5fcfe37d97ff268325c3344648f', 
    'KywQXoJnoZzIkBcns/brPTpsIFrPAZh+d2SBEoyxiy8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)