INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '542cbb699ee15df8ce584ce7d0e8ee5347916f4f373c1884984e1c986e260a16', 
    '6dHWF7MIHmPnxaw0jkyoNjkyTmpCzyoY5/lSoE1mMDE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)