INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '40a1891caa68d96330a07ed786a9f42c0c804948aa845c97c9e8c9594b84946e', 
    '1+fJN/KZNRoDn9ARWQJmjzaNPDoJVATlJn5MxSE0GWk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)