INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '16716744c75dde78567fb5774b74ba8526b0ac8fdd2696b3f280610d60e1b510', 
    '55sbGFe//o5wpwWejf/qbiUKF11noOmqzpaNX32RnMU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00046

Result

int(1)