INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6c5790c6477a463ada7fda2d9427425513a7f9919f38f1fd83ee3e77edb0352b', 
    'OCv8IRdIjTR2KmatdEPjFhj1C6UNnPa0Xyb2DH2vWr8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)