INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4b21f402ef9c4aa6a4a0c0c1374569c562b011cf3595c8a53998ae0c793ff9b6', 
    'n9X8tkHNZRar9xbjoolMSfJRZ9yjjGOEnEWFp5I78LM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)