INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2c756b702a8948a88d10b91e0a8035f7e52ba931eabc954fe427871ca36049f9', 
    'q37SX3Px3OaJabpWGbyaRxXKyUqRzJQSHD1rT+9ryW8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)