INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e3378bc251f6e37d5d2e816083d80f063b4e60592af4e35917959816eee2bb3e', 
    'x7rpNWBhXQ6uMrwo1TaNKsgdhgjHnT0xsmx7M8Y0PDk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00019

Result

int(1)