INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'dffc4ed5e58b86a2256c103a97ecc52b94fb6f869820899e5d20916d70d1e0d3', 
    'tL9YKeSTEBWqtLLCq1912R+5eqXHcCY6a//Quo/f+g8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)