INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ff549f2d5ea55008cdfabd738cd78e726d5c649bed1a7aa7c7154ac2943eb7b1', 
    'alfwm28JRlqNyEnm/BCHi3iJaiBOBZWnr5tgEWu+itk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)