INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3e6570cd2b68ee5ef0ee8e266af3e0cdde89c15bcdd8297445b80ff648437f31', 
    'uG1m02IaFzIVTLoxQ0grMAKXIwYS3kOqb//xwT6hn2A=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)