INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '79a47aa2dd4c42999f851e64439460855f96d80ead39e49e81a586547a205476', 
    'PExyDUh0W8fq5xNCrTPsjdcClwJvfcmPAnTlIHl+wYk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)