INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ebf3dee1548d6442b1206206b0c998aa2f8303d1dca84fc880d9a0e20d1ed4aa', 
    'DQeNRlMiAHvoR15g/yk7opFiBcIhNbVHC3EaUkAzps0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)