INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '278f2a3177b7b9e881efc3b09ef9c57bf1152527a87619241089850778eafb94', 
    '0TG8SncrfPQtZek6yRRuv3V/K1t4TznJyTyFel8AwHU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)