INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5438e3411e9efefcf7675fc4037692784d5d62e13dd885c01ba4ba47befbfb24', 
    'QMctrgofYANLLfsgqH03X09vRKm9dPKFEPe/Oep5DqE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)