INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6ef6fd39d006b0cdacb1a1a41aeda61c22b90f42b9a3f845ecfa9c0208402d90', 
    '0uU9jIr9elG53QR4mhwTNOE9RWj71BW5aXTcmMSa/2I=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)