INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '68d87878b7c684b9885ba1d59d000c2c644fb938825399d899c3602a2fcd874e', 
    'OR9r5K2eSYsY44KPj1pb3QqwHJ34XB5TnP69irMUHOY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)