INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b16e387ab499dc6464006b22d2c9a6b0f363588ff8207008e680ad436d15add4', 
    'xTVCqtwbqtpNLW1CHG9DbtBXvP422HfakWP+khHGSQk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)