INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '35c5188a86ce97d1913263f144532c80aa6631d3e426790626969e8de090c3b0', 
    'cefMEdoIaEtkDaTUMr+GshPk2EON2ixHUNlvHGx/PQk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)