INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51d0fc0e3094765755d916eb30c72dea7be809e937fb1fbe66a0e9ade2fde0b5', 
    'sbnyra7LqEPpw5nkbvETD3dxCofKwQPtrtRy9cTHQaQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)