INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '28cc08a25c4a154847a498e812de9ef9e217f21c323564d82bd98527bfa84caf', 
    '6HaC7bVB+vHoWSkWU0YRswE9IWomKh32bLj8QWC0EU0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)