INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8a51d7dfd0e710e2e2792c63c07c46bf300af3b1c9534a94e03d43021799a7c6', 
    'PE4ykLECj3V9ka70o7ZUG+aOaTXScwqVulzU+nG+2/o=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)