INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51ca59cc7e7bdfeee539a7011fbe71a9671b7e76606a33fe9c25787e6b266e0b', 
    'EMvHbWtb7QQttSBjlroqRzEZchso1NsX8BtEC3hqjxQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)