INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '875f9a21b7ac10d2bf5a07babcb73921c9f771933ef1088a6b7a2d03456188ad', 
    'xVKQbV7s9OAwKjIL6alhWDfXZUigexgeuaY50owZ7ns=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)