INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5261d3020e2f50c425bac2724af7cca477b1a2472540e524c628beacba62fd5b', 
    'ewmsfFgeLgMI2ksXGG413GB8IEo7XXn50blefU/HOiQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)