INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4d424300f2a6bf035cbbdfa52bace463ac7cfb7a1955f6787ff382574790b7fe', 
    'CTRO7Gqtyk5H3z+qIXq0vOUbhO1udTKfqIe6ogLrF+o=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)