INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '515d196aa1338e996e62341b66e166e5d8d6dd946edbdc2c4cb2116e65308ed1', 
    'PbsN7zmhr09i9fKboc4tSVsynziJ/RQ+v8m0PSOsCbM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)