INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '968535afe4f005d5568207df8b0d53836a20cc5700104209020ce6c8d0c6b5b1', 
    '5wjo1F4tNDBUCv2+XV8JO48HPoiK72CtgirtIrhSYFQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)