INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6735f31dfefd5afb03cf76e023f108f0bcd30af5ea3f45e382bab224a5cdac46', 
    '38erXCgDcTtxLU1nqySPZpmAEg4VNPojdjPEQaPxO/U=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)