INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5c303d0e869e6354ad61f0dcf02d5561d29b9a309cdb60103f4912f39d2528c2', 
    'RSjIpx3GCXQOEYGGp8W1r2pupQumVcE67W2ZooORdcE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)