INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '740cf1d09bd2454d6f366e3019afa89930e4b297025679a7d01079681da1b773', 
    '5M4fIswWeGUbbWwu23BgoFaGfWTFYDrI1KojCec3OOk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)