INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '56c878a6e56d539475b2b0370a87427815d25bd4c5c8d569c800a49f15344078', 
    '8enu0YvDHZMW+DssKzDzgHjhKv/eOeqUEZgC18VrOVM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)