INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '703f1a38ef6fadf69d5a434874094eb9e47345de692b7cd11aa6dfc676c6b9a9', 
    'U4LHHse4m0cuIhewXUNonnqrSbERoHZbn9zD2ciLbz0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)