INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b6b3b61f778b2804d70bef939f717e1d54a1f3823a9066cbf72891fc482044ae', 
    'UwnzVKboSlzB8kntH1tdRaUO4w5Cx5y19qeebHa0Cfc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00042

Result

int(1)